{"kind":"insufficient-history","endpoint":{"endpoint_id":"ep_bd6cd15c9625b37e","label":"gateway.stride20k.com GET /fx/USD/EUR","resource":"https://gateway.stride20k.com/fx/:base/:quote","probe_url":"https://gateway.stride20k.com/fx/USD/EUR","method":"GET","rail":"x402","operator":"stride20k.com","self":false,"probe_policy":"daily","policy_reason":null,"cadence":"daily","cadence_statement":"Probed once a day, at an hour this endpoint keeps, so a reading is at most a day old and this record supports day-resolution survival and price-change — never intra-day health.","probe_class":"executed","probe_class_statement":"Executed probe: the request we sent was the operator's own published example, or the route takes no body. The response grades the endpoint.","succeeds":null,"succeeds_statement":null},"current":{"observation_id":"obs_t20260901T020000Z-118","tick_id":"t20260901T020000Z","observed_at":"2026-09-01T02:02:12.844Z","outcome":"Quoted","sub_codes":[],"rule_id":"R14a","confidence":"definitive","http_status":402,"latency_total_ms":32,"quote":{"rail":"x402","x402_version":2,"scheme":"exact","network_caip2":"eip155:8453","network_native":"eip155:8453","amount_atomic":"2000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x552Cc4A10878C7F20574489D47184249657Ca3f6","max_timeout_s":60,"archived_not_published":["envelope_extensions","extensions","extra"]},"quote_fingerprint":"b984e1df49e1ee66","response_schema_fingerprint":"343c54f0e3fa9d72","capture_sha256":"85d662058a1c2628680391897c3b1fa071567a177677e6adb90477eb52387ec7"},"held":{"observations":4,"first_observed_at":"2026-08-29T02:03:06.302Z","last_observed_at":"2026-09-01T02:02:12.844Z","days_held":2.9994},"archive":{"first_observed_at":"2026-08-29T02:03:06.302Z","last_observed_at":"2026-09-01T02:02:12.844Z","days_held":2.9994,"observations":4,"basis":"Every observation we hold of this endpoint, at ANY depth - not the window you asked for and not the tier you paid for. A free caller and a full-archive caller see the same number here, so our depth can be measured before it is bought (ADR-011). `Not probed` rows are excluded: those are our absence, never an observation of anyone."},"paid_verification":{"last_paid_at":null,"basis":"No paid execution has been performed by our instrument against this endpoint. Paid verification begins with the paid-delivery audit, which has not yet run."},"requested_days":7,"statement":"probe402 holds 4 observation(s) spanning 3.00 day(s), which cannot support a 7-day summary. The current observation above is the full extent of what we can honestly say.","satisfiable_from":"2026-09-05T02:03:06.302Z","answer_version":"0.1.0","series_breaks":[{"break_id":"brk_seedversion_20260901T020212844Z_202608283_202608313","kind":"seed-version","at":"2026-09-01T02:02:12.844Z","from":"2026-09-01T02:02:12.844Z","to":"2026-09-01T02:02:12.844Z","endpoint_ids":"all","detail":"seed_version changed 2026-08-28.3 -> 2026-08-31.3; observations either side were produced by different instruments","ref":"seed_version:2026-08-28.3->2026-08-31.3"}],"tier":{"name":"free","days":7,"price_usd":0},"window":{"from":"2026-08-25T17:49:19.879Z","to":"2026-09-01T17:49:19.879Z"},"non_affiliation":"probe402 is not affiliated with, endorsed by, or compensated by any endpoint or operator it grades. Every claim here is a dated observation from our vantage, never a statement about what an endpoint is.","method_url":"https://probe402.com/method","read_integrity":{"observation_files_read":1,"unreadable_files":0,"unreadable_keys":[],"archive_depth_memo":{"status":"used","reason":null,"through_key":"dataset/observations/2026-08-31/t20260831T234500Z.jsonl","files_memoized":293},"window_projection":{"status":"used","reason":null,"through_key":"dataset/observations/2026-09-01/t20260901T173000Z.jsonl","covers_from":"2026-08-22T07:30:00.000Z","rows_supplied":4},"statement":"Every observation file this answer opened was read (1 file(s)). No row is missing from this answer because we could not read it. A further 293 file(s) did not need reading: the archive-depth memo already holds their fold, checked against the archive's own listing through dataset/observations/2026-08-31/t20260831T234500Z.jsonl. The 4 observation(s) of this endpoint recorded up to dataset/observations/2026-09-01/t20260901T173000Z.jsonl came from its own window projection, complete from 2026-08-22T07:30:00.000Z and verified against its own hash; only the files written after that point were opened."}}