{ "schema": 1, "name": "Verified Pay-Per-Call Catalog", "publisher": "@WithGrokBot", "url": "https://withgrokbot.github.io/verified-catalog/", "generated_at": "2026-10-03T18:34:43Z", "last_run_id": "20261003T183443Z", "last_run_mode": "dry-run", "methodology_url": "https://withgrokbot.github.io/verified-catalog/methodology.html", "contest_url": "https://github.com/withgrokbot/verified-catalog/issues/new?template=contest-a-result.md", "receipts_url": "https://withgrokbot.github.io/verified-catalog/receipts.json", "lookup_url": "https://verified-catalog-lookup.withgrokbot.workers.dev/", "notes": "Factual check results only. No grades, scores or rankings. Each result is one automated check at one moment. We hold no customer funds and are not a party to any seller transaction; buyers pay sellers directly. The lookup endpoint has 5 free calls per client per UTC day, then charges $0.02 USDC per call via x402 to our own wallet; payment buys query access only and never changes results, sort order or listings.", "fields": { "latest.reachable": "an HTTP response arrived within the timeout", "latest.x402_challenge": "the unpaid request returned HTTP 402 with machine-readable payment terms", "latest.quoted_price_usd": "price of the Base USDC 'exact' option in that 402 challenge", "latest.price_matches_listing": "quoted price equals the advertised (listing) price", "latest.charged_price_usd": "amount we paid in a paid check; null when no payment was made", "latest.delivered_valid": "paid check returned 2xx with a non-empty, parseable body; null when no payment was made", "latest.quality": "known-answer test on the paid response: pass, fail or not_graded; null when no paid call was graded", "quality_test": "the known-answer test for this service; facts_only means it is broken on the seller's side and is not graded", "tasks": "task names the lookup endpoint matches on" }, "services": [ { "id": "onesource-erc20-balance", "name": "OneSource ERC20 balance", "provider": "onesource.io", "category": "on-chain data", "description": "ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC", "endpoint": "https://api.onesource.io/api/chain/erc20-balance", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.003", "atomic": "3000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045", "contract": "0xdac17f958d2ee523a2206206994597c13d831ec7", "network": "ethereum" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-28T09:34:55.243Z", "retrieved": "2026-09-29" }, "tasks": [ "token-balance", "on-chain-data" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/onesource-erc20-balance.html", "quality_test": { "input": "USDT balance of vitalik.eth (0xd8da...6045) on Ethereum", "pass_if": "balance equals balanceOf from a free public Ethereum RPC at one of the 6 newest blocks when we check", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:43Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 376, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.003", "quoted_price_usd": "0.003", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/onesource-erc20-balance.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/onesource-erc20-balance.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:50Z", "last_checked": "2026-10-03T18:34:43Z" } }, { "id": "exa-search", "name": "Exa search", "provider": "exa.ai", "category": "web search", "description": "Exa /search endpoint", "endpoint": "https://api.exa.ai/search", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.007", "atomic": "7000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "POST", "json_body": { "numResults": 10, "query": "x402 payment protocol", "type": "auto" }, "note": "Changed 2026-09-30 for the known-answer quality test (data/quality_tests.json)." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-30T00:18:25.245Z", "retrieved": "2026-09-29" }, "tasks": [ "web-search" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/exa-search.html", "quality_test": { "input": "x402 payment protocol", "pass_if": "at least 1 result URL on x402.org or github.com/coinbase/x402", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:43Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 257, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.007", "quoted_price_usd": "0.007", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/exa-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/exa-search.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:50Z", "last_checked": "2026-10-03T18:34:43Z" } }, { "id": "otto-crypto-news", "name": "Otto AI crypto news", "provider": "ottoai.services", "category": "news", "description": "Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.", "endpoint": "https://x402.ottoai.services/crypto-news", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.001", "atomic": "1000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET" }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T20:30:54.933Z", "retrieved": "2026-09-29" }, "tasks": [ "crypto-news", "news" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/otto-crypto-news.html", "quality_test": { "input": "none", "pass_if": "at least 5 items, each with a source URL; newest item under 3 h old (the listing says hourly)", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:43Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 302, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.001", "quoted_price_usd": "0.001", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/otto-crypto-news.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/otto-crypto-news.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:50Z", "last_checked": "2026-10-03T18:34:43Z" } }, { "id": "bitrefill-gift-card-search", "name": "Bitrefill gift card search", "provider": "bitrefill.com", "category": "commerce search", "description": "Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.", "endpoint": "https://api.bitrefill.com/x402/gift-cards/search", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.002", "atomic": "2000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "country": "US", "q": "amazon" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T15:07:33.873Z", "retrieved": "2026-09-29" }, "tasks": [ "gift-card-search" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/bitrefill-gift-card-search.html", "quality_test": { "input": "q=amazon, country=US", "pass_if": "a result named \"Amazon...\"", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 667, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.002", "quoted_price_usd": "0.002", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/bitrefill-gift-card-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/bitrefill-gift-card-search.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "x402atlas-web-search", "name": "x402 Atlas web search", "provider": "x402atlas.com", "category": "web search", "description": "Real-time web search for AI agents \u2014 search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online \u2014 latest news, current events, finance. Date, domain and exact-phrase filte", "endpoint": "https://websearch.use.x402atlas.com/search", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "chunks_per_source": 2, "query": "x402 payment protocol", "search_depth": "fast" }, "note": "Changed 2026-09-30 for the known-answer quality test (data/quality_tests.json)." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T13:00:04.672Z", "retrieved": "2026-09-29" }, "tasks": [ "web-search" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/x402atlas-web-search.html", "quality_test": { "input": "x402 payment protocol", "pass_if": "at least 1 result URL on x402.org or github.com/coinbase/x402", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:43Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 199, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/x402atlas-web-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/x402atlas-web-search.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:50Z", "last_checked": "2026-10-03T18:34:43Z" } }, { "id": "apitoll-edgar-filings", "name": "API Toll SEC EDGAR filings", "provider": "apitoll.cloud", "category": "public records", "description": "Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data", "endpoint": "https://edgar.apitoll.cloud/v1/edgar/filings", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.003", "atomic": "3000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "form": "10-K", "limit": 5, "ticker": "AAPL" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T10:09:26.068Z", "retrieved": "2026-09-29" }, "tasks": [ "sec-filings", "company-filings" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/apitoll-edgar-filings.html", "quality_test": { "input": "AAPL, form 10-K", "pass_if": "CIK 0000320193 and the latest 10-K filing date match SEC's free submissions API", "facts_only": true, "facts_only_reason": "On 2026-09-30 the endpoint was unreachable (TLS handshake failed), so no paid call was made." }, "paid_receipts": 0, "latest": { "checked_at": "2026-10-03T18:35:03Z", "mode": "dry-run", "reachable": false, "http_status": null, "latency_ms": 20140, "x402_challenge": false, "x402_version": null, "advertised_price_usd": "0.003", "quoted_price_usd": null, "price_matches_listing": null, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": "URLError: timed out", "quality": null, "raw_log": "results/raw/20261003T183443Z/apitoll-edgar-filings.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/apitoll-edgar-filings.json" }, "history_summary": { "checks": 7, "reachable": 3, "x402_challenge_ok": 3, "paid_checks": 0, "first_checked": "2026-09-30T01:01:55Z", "last_checked": "2026-10-03T18:35:03Z" } }, { "id": "oblique-paid-time", "name": "Oblique Markets paid time", "provider": "oblique.markets", "category": "utility", "description": "Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Returns Current server time as ISO 8601 and Unix epoch milliseconds, returned only after a real settlement. $0.01.", "endpoint": "https://api.oblique.markets/api/v1/paid/time", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET" }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T12:11:30.714Z", "retrieved": "2026-09-29" }, "tasks": [ "time" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/oblique-paid-time.html", "quality_test": { "input": "none", "pass_if": "epoch within 5 s of our clock while the request was open; ISO time and epoch agree", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 374, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/oblique-paid-time.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/oblique-paid-time.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:50Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "coingecko-onchain-pool-search", "name": "CoinGecko on-chain pool search", "provider": "coingecko.com", "category": "on-chain data", "description": "Search onchain DEX pools and token, by contract address, name, or token symbol.", "endpoint": "https://pro-api.coingecko.com/api/v3/x402/onchain/search/pools", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "include": "base_token", "network": "eth", "page": 1, "query": "weth" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T15:20:34.58Z", "retrieved": "2026-09-29" }, "tasks": [ "dex-pool-search", "on-chain-data" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/coingecko-onchain-pool-search.html", "quality_test": { "input": "query=weth, network=eth", "pass_if": "a pool with WETH (0xC02a...6Cc2) as base token", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:43Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 150, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/coingecko-onchain-pool-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/coingecko-onchain-pool-search.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:43Z" } }, { "id": "you-search", "name": "You.com search", "provider": "you.com", "category": "web search", "description": "You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a deci", "endpoint": "https://api.you.com/v1/search", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.005", "atomic": "5000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "count": 10, "query": "x402 payment protocol" }, "note": "Changed 2026-09-30 for the known-answer quality test (data/quality_tests.json)." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T04:09:00.302Z", "retrieved": "2026-09-29" }, "tasks": [ "web-search" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/you-search.html", "quality_test": { "input": "x402 payment protocol", "pass_if": "at least 1 result URL on x402.org or github.com/coinbase/x402", "facts_only": true, "facts_only_reason": "On 2026-09-30 the endpoint answered our x402 payment with a second HTTP 402 asking to pay again by another method (Tempo), so nothing was delivered." }, "paid_receipts": 1, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 1016, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.005", "quoted_price_usd": "0.005", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/you-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/you-search.json" }, "history_summary": { "checks": 7, "reachable": 7, "x402_challenge_ok": 7, "paid_checks": 1, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "tavily-search", "name": "Tavily search", "provider": "tavily.com", "category": "web search", "description": "Tavily Search - advanced mode", "endpoint": "https://x402.tavily.com/search", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "POST", "json_body": { "max_results": 5, "query": "x402 payment protocol", "search_depth": "advanced" }, "note": "Changed 2026-09-30 for the known-answer quality test (data/quality_tests.json). The listing's sample body was rejected (HTTP 422); this is a minimal body with the same search depth." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-30T00:05:49.421Z", "retrieved": "2026-09-29" }, "tasks": [ "web-search" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/tavily-search.html", "quality_test": { "input": "x402 payment protocol", "pass_if": "at least 1 result URL on x402.org or github.com/coinbase/x402", "facts_only": true, "facts_only_reason": "On 2026-09-30 the payment settled but the sample request was rejected (HTTP 422). The sample body is now a minimal one; grading resumes after a clean paid call." }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:45Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 1839, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/tavily-search.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/tavily-search.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:52Z", "last_checked": "2026-10-03T18:34:45Z" } }, { "id": "glassnode-mvrv", "name": "Glassnode MVRV metric", "provider": "glassnode.com", "category": "on-chain data", "description": "Market Value to Realized Value Ratio (MVRV) \u2014 Market Value to Realized Value (MVRV) is the ratio between market cap and realized cap. Data by Glassnode.", "endpoint": "https://x402.glassnode.com/v1/metrics/market/mvrv", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.05", "atomic": "50000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "a": "BTC", "i": "24h" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T11:00:46.45Z", "retrieved": "2026-09-29" }, "tasks": [ "crypto-market-metrics", "on-chain-data" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/glassnode-mvrv.html", "quality_test": { "input": "a=BTC, i=24h", "pass_if": "newest point at most 48 h old and value between 0.3 and 6 (sanity check only, the weakest test)", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 503, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.05", "quoted_price_usd": "0.05", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/glassnode-mvrv.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/glassnode-mvrv.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "minifetch-url-check", "name": "Minifetch URL preflight", "provider": "minifetch.com", "category": "web tools", "description": "Cheap robots.txt preflight before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether the Minifetch user agent may fetch a target URL (allow/deny) plus its crawl-delay. If blocked or setting a crawl delay read https://minifetch.com/tutorials/unblock", "endpoint": "https://minifetch.com/api/v1/x402/preflight/url-check", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.001", "atomic": "1000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "url": "https://example.com" }, "note": "The listing's example input was a github.com address; we use the reserved test domain example.com." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T10:07:18.421Z", "retrieved": "2026-09-29" }, "tasks": [ "url-check", "robots-check" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/minifetch-url-check.html", "quality_test": { "input": "url=https://example.com", "pass_if": "allowed = true", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 118, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.001", "quoted_price_usd": "0.001", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/minifetch-url-check.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/minifetch-url-check.json" }, "history_summary": { "checks": 10, "reachable": 10, "x402_challenge_ok": 10, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "x402tap-weather", "name": "x402tap weather", "provider": "x402tap.com", "category": "weather", "description": "Live current weather conditions for any city, sourced from Open-Meteo", "endpoint": "https://x402tap.com/api/weather", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.001", "atomic": "1000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "city": "Austin" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T10:10:13.181Z", "retrieved": "2026-09-29" }, "tasks": [ "weather" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/x402tap-weather.html", "quality_test": { "input": "city=Austin", "pass_if": "temperature within 3 C of the free Open-Meteo current temperature for Austin, TX (fallback: US National Weather Service station KAUS)", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 227, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.001", "quoted_price_usd": "0.001", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/x402tap-weather.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/x402tap-weather.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "massive-ticker-news", "name": "Massive ticker news", "provider": "massive.com", "category": "news", "description": "Get the most recent news articles relating to a stock ticker symbol, including a summary of the article and a link to the original source. Can't find what you're looking for? POST feedback to /feedback, no charge.", "endpoint": "https://agent.massive.com/v2/reference/news", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "limit": 10, "order": "desc", "sort": "published_utc", "ticker": "AAPL" }, "note": "Changed 2026-09-30 for the known-answer quality test (data/quality_tests.json). Added ticker=AAPL; newest first." }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T12:45:26.692Z", "retrieved": "2026-09-29" }, "tasks": [ "stock-news", "news" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/massive-ticker-news.html", "quality_test": { "input": "ticker=AAPL, newest first", "pass_if": "every item tags AAPL; newest item at most 7 days old", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 218, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/massive-ticker-news.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/massive-ticker-news.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "x402scan-merchants", "name": "x402scan merchant list", "provider": "x402scan.com", "category": "x402 ecosystem data", "description": "Paginated list of merchants (top recipients by volume)", "endpoint": "https://www.x402scan.com/api/x402/merchants", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET" }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-30T00:19:51.292Z", "retrieved": "2026-09-29" }, "tasks": [ "x402-merchants" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/x402scan-merchants.html", "quality_test": { "input": "none", "pass_if": "non-empty, sorted by volume (total_amount, largest first), each entry has an address", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 411, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/x402scan-merchants.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/x402scan-merchants.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "stride20k-wiki-summary", "name": "Stride20k Wikipedia summary", "provider": "stride20k.com", "category": "reference", "description": "Wikipedia summary API: the lead summary of any English Wikipedia article \u2014 title, one-line description, extract paragraph, thumbnail, canonical URL, and Wikidata item id; disambiguation pages labeled via 'kind'. Titles case-sensitive; spaces or underscores accepted. Content CC BY", "endpoint": "https://gateway.stride20k.com/knowledge/wiki/:title", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.003", "atomic": "3000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "path_params": { "title": "Alan Turing" } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-08-31T01:32:18.388Z", "retrieved": "2026-09-29" }, "tasks": [ "wiki-summary", "encyclopedia" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/stride20k-wiki-summary.html", "quality_test": { "input": "Alan Turing", "pass_if": "Wikidata Q7251 and canonical https://en.wikipedia.org/wiki/Alan_Turing", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 503, "latency_ms": 140, "x402_challenge": false, "x402_version": null, "advertised_price_usd": "0.003", "quoted_price_usd": null, "price_matches_listing": null, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/stride20k-wiki-summary.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/stride20k-wiki-summary.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 8, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "x402atlas-ssl-check", "name": "x402 Atlas SSL check", "provider": "x402atlas.com", "category": "web tools", "description": "SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, and weak-algo warnings for a public HTTPS host. Clean JSON.", "endpoint": "https://ssl.use.x402atlas.com/check", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.01", "atomic": "10000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET", "query": { "host": "example.com", "port": 443 } }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T11:14:56.722Z", "retrieved": "2026-09-29" }, "tasks": [ "ssl-check" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/x402atlas-ssl-check.html", "quality_test": { "input": "host=example.com, port 443", "pass_if": "hostname match is true; expiry equals the certificate expiry in our own TLS handshake", "facts_only": false, "facts_only_reason": null }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 169, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.01", "quoted_price_usd": "0.01", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/x402atlas-ssl-check.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/x402atlas-ssl-check.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } }, { "id": "brasil-dados-cambio", "name": "Brasil Dados exchange rates", "provider": "brasil-dados-api.onrender.com", "category": "reference", "description": "Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil).", "endpoint": "https://brasil-dados-api.onrender.com/cambio", "protocol": "x402", "x402_version": 2, "advertised_price": { "amount_usd": "0.002", "atomic": "2000", "asset": "USDC", "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "network": "eip155:8453" }, "sample_request": { "method": "GET" }, "source": { "name": "CDP x402 Bazaar (public discovery API)", "url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "listing_last_updated": "2026-09-29T10:19:46.81Z", "retrieved": "2026-09-29" }, "tasks": [ "fx-rates" ], "page_url": "https://withgrokbot.github.io/verified-catalog/services/brasil-dados-cambio.html", "quality_test": { "input": "none", "pass_if": "USD/BRL equals the free BCB PTAX API for that date", "facts_only": true, "facts_only_reason": "On 2026-09-30 the endpoint answered our x402 payment with HTTP 500 and no data (no settlement transaction was reported)." }, "paid_receipts": 3, "latest": { "checked_at": "2026-10-03T18:34:44Z", "mode": "dry-run", "reachable": true, "http_status": 402, "latency_ms": 170, "x402_challenge": true, "x402_version": 2, "advertised_price_usd": "0.002", "quoted_price_usd": "0.002", "price_matches_listing": true, "paid": false, "charged_price_usd": null, "delivered_valid": null, "payment_refused_reason": null, "error": null, "quality": null, "raw_log": "results/raw/20261003T183443Z/brasil-dados-cambio.json", "raw_log_url": "https://withgrokbot.github.io/verified-catalog/results/raw/20261003T183443Z/brasil-dados-cambio.json" }, "history_summary": { "checks": 9, "reachable": 9, "x402_challenge_ok": 9, "paid_checks": 3, "first_checked": "2026-09-30T01:01:51Z", "last_checked": "2026-10-03T18:34:44Z" } } ], "own_bots": [ { "id": "own-1099-reconciler-api", "name": "Payout vs 1099 reconciler (pay-per-call API)", "status": "coming soon", "note": "Our own bot. Planned first seller. Not live, no price set." }, { "id": "own-catalog-query-api", "name": "Verified catalog query API", "status": "coming soon", "note": "Our own bot. Paid high-volume access to this catalog. Not live, no price set." }, { "id": "own-endpoint-preflight", "name": "Paid endpoint pre-flight check", "status": "coming soon", "note": "Our own bot. On-demand version of the checks on this site. Not live, no price set." } ] }