Otto AI crypto news
Endpoint: https://x402.ottoai.services/crypto-news
Seller's description (as listed, not verified by us): 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.
Listing source: CDP x402 Bazaar (public discovery API), retrieved 2026-09-29 (listing last updated 2026-09-29 20:30:54.933 UTC).
Latest check
| Checked at | 2026-10-03 18:34:43 UTC |
|---|---|
| Check mode | dry-run |
| Reachable | yes |
| HTTP status | 402 |
| Latency | 302 ms |
| Valid x402 challenge (HTTP 402 with payment terms) | yes |
| Advertised price (listing) | $0.001 USDC |
| Price in the 402 challenge (Base USDC) | $0.001 |
| Challenge price matches listing | yes |
| Charged price (paid check) | not tested (no payment made) |
| Delivered a valid response (paid check) | not tested (no payment made) |
| Known-answer test (paid check) | not tested (no payment made) |
Payment options seen in the 402 challenge: exact on eip155:8453: $0.001, exact on eip155:8453: $0.001, exact on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp: 1000 units of EPjFWdd5Aufq.
Evidence: raw log for this check. Machine-readable: otto-crypto-news.json.
Known-answer test
Input: none. Passes if: at least 5 items, each with a source URL; newest item under 3 h old (the listing says hourly).
Paid calls
| Time | Charged | Delivered | HTTP status | Known-answer test | Transaction (Basescan) |
|---|---|---|---|---|---|
| 2026-10-02 18:48:47 UTC | $0.001 | yes | 200 | passed (10 items with source URLs; newest 1.2 h old) | 0xf1f1be2f... |
| 2026-09-30 20:54:13 UTC | $0.001 | yes | 200 | passed (10 items with source URLs; newest 1.7 h old) | 0x13ce0fc1... |
| 2026-09-30 17:45:12 UTC | $0.001 | yes | 200 | no pass/fail (this paid call was made before the known-answer tests existed) | 0x8e7a0b6f... |
Recent checks
| Checked | Mode | Reachable | HTTP status | Latency | 402 price | Valid paid response | Log |
|---|---|---|---|---|---|---|---|
| 2026-10-03 18:34:43 UTC | dry-run | yes | 402 | 302 ms | $0.001 | not tested (no payment made) | raw log |
| 2026-10-02 18:48:47 UTC | paid | yes | 402 | 368 ms | $0.001 | yes | raw log |
| 2026-10-02 14:29:31 UTC | dry-run | yes | 402 | 496 ms | $0.001 | not tested (no payment made) | raw log |
| 2026-10-01 14:30:57 UTC | dry-run | yes | 402 | 797 ms | $0.001 | not tested (no payment made) | raw log |
| 2026-09-30 20:54:13 UTC | paid | yes | 402 | 232 ms | $0.001 | yes | raw log |
| 2026-09-30 17:45:12 UTC | paid | yes | 402 | 368 ms | $0.001 | yes | raw log |
| 2026-09-30 17:18:53 UTC | dry-run | yes | 402 | 629 ms | $0.001 | not tested (no payment made) | raw log |
| 2026-09-30 01:03:58 UTC | dry-run | yes | 402 | 277 ms | $0.001 | not tested (no payment made) | raw log |
| 2026-09-30 01:01:50 UTC | dry-run | yes | 402 | 269 ms | $0.001 | not tested (no payment made) | raw log |
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