{"id":"1f95ff44-52fc-414c-b288-fd1ab83640d2","url":"https://api.cryptoetfsentinel.com/v1/xbrl/fee-war/history","method":"GET","fingerprint":"88fbc564c384e039d1495d39aca50cda4910b474a92fb7892669a7deb405245c","name":null,"description":null,"category":"other","docs_url":null,"advertised_price_usd":"0.100000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","scheme":"exact","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"pay_to":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","input_schema":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"crypto":{"type":"string","description":"Filter by cryptocurrency slug (bitcoin, ethereum, solana, ...). Omit for all."}}}},"additionalProperties":false},"output_schema":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"description":"The endpoint payload — type varies per route"},"meta":{"type":"object","properties":{"limit":{"type":["integer","null"]},"total":{"type":["integer","null"]},"offset":{"type":["integer","null"]}}},"error":{"type":["string","null"]}}}}},"schema_completeness":0,"status":"live","first_seen_at":"2026-08-24 02:00:13.313535+00","last_seen_at":"2026-08-24 02:00:11.042+00","last_success_at":"2026-09-14 16:29:43.881+00","dead_since":null,"probe_backoff_tier":0,"next_probe_at":"2026-09-14 16:34:43.881+00","search_tsv":"","catalog_number":"13252","x402_version":2,"resource_url":"https://api.cryptoetfsentinel.com/v1/xbrl/fee-war/history","resource_description":"Crypto ETF Sentinel — Quarterly fee-war progression: average and median expense ratios over time across the US spot crypto ETF trading cohort, with per-issuer detail each quarter. Use when documenting how fee competition has compressed since the January 2024 spot Bitcoin ETF launch. Optional crypto filter.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"crypto":"bitcoin"}},"output":{"type":"json","example":{"data":[{"issuers":[{"cik":"0001980994","name":"iShares Bitcoin Trust ETF","ticker":"IBIT","expense_ratio":0.0025,"expense_ratio_bps":25}],"quarter":"2025-Q4","period_end":"2025-12-31"}],"meta":{"unit":"pure","total":29,"concept":"expense_ratio"}}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"crypto":{"type":"string","description":"Filter by cryptocurrency slug (bitcoin, ethereum, solana, ...). Omit for all."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"description":"The endpoint payload — type varies per route"},"meta":{"type":"object","properties":{"limit":{"type":["integer","null"]},"total":{"type":["integer","null"]},"offset":{"type":["integer","null"]}}},"error":{"type":["string","null"]}}}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","amount":"100000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","scheme":"exact","network":"eip155:8453","amountAtomic":"100000"},{"raw":{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"},"payTo":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","amount":"100000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300},"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amountAtomic":"100000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-09-14 16:29:43.881+00","bazaar_validation_error":null,"window":"24h","probes_n":20,"handshake_uptime":0.95,"settle_success_rate":0,"valid_result_rate":null,"latency_p50":592,"latency_p90":1897,"price_drift_pct":0,"score":0.7016,"computed_at":"2026-09-14 16:30:09.151+00","source_metadata":[{"raw":{"url":"https://api.cryptoetfsentinel.com/v1/xbrl/fee-war/history","method":"GET","source":"bazaar:api.cdp.coinbase.com","fingerprint":"88fbc564c384e039d1495d39aca50cda4910b474a92fb7892669a7deb405245c","advertisedPriceUsd":0.1},"source_id":1,"external_id":null}],"live_endpoint_metadata":{"x402_version":2,"resource_url":"https://api.cryptoetfsentinel.com/v1/xbrl/fee-war/history","resource_description":"Crypto ETF Sentinel — Quarterly fee-war progression: average and median expense ratios over time across the US spot crypto ETF trading cohort, with per-issuer detail each quarter. Use when documenting how fee competition has compressed since the January 2024 spot Bitcoin ETF launch. Optional crypto filter.","bazaar_extension":{"info":{"input":{"type":"http","method":"GET","queryParams":{"crypto":"bitcoin"}},"output":{"type":"json","example":{"data":[{"issuers":[{"cik":"0001980994","name":"iShares Bitcoin Trust ETF","ticker":"IBIT","expense_ratio":0.0025,"expense_ratio_bps":25}],"quarter":"2025-Q4","period_end":"2025-12-31"}],"meta":{"unit":"pure","total":29,"concept":"expense_ratio"}}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"crypto":{"type":"string","description":"Filter by cryptocurrency slug (bitcoin, ethereum, solana, ...). Omit for all."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"description":"The endpoint payload — type varies per route"},"meta":{"type":"object","properties":{"limit":{"type":["integer","null"]},"total":{"type":["integer","null"]},"offset":{"type":["integer","null"]}}},"error":{"type":["string","null"]}}}}}}}},"accepted_requirements":[{"raw":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","amount":"100000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","scheme":"exact","network":"eip155:8453","amountAtomic":"100000"},{"raw":{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"},"payTo":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","amount":"100000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300},"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","amountAtomic":"100000"}],"bazaar_compatible":true,"bazaar_validated_at":"2026-09-14 16:29:43.881+00","bazaar_validation_error":null},"sonar_metrics":{"score":0.7016,"uptime":0.95,"paid_success_rate":0,"valid_result_rate":null,"latency_p50":592,"latency_p90":1897,"price_drift_pct":0},"cdp_indexed":false,"confidence":"high"}