{"slug":"perp-gap-api-08c2bbbe","name":"Perp Gap API","summary":"Use when an agent needs to backtest or chart how a stock perp's premium/discount and funding evolved, including weekends and holidays when the stock is shut. One ticker: trade.xyz perp mark/oracle vs stock and xStock, basis, funding, OI, Aster/Lighter/OKX cross-venue gaps; 30-minute snapshots plus ~60d backfill, up to 90 days per call. Bad params return 400/404 before any charge. Errors: 400, 402, 404, 502. Data, not advice.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:30.344478Z","sources":[{"source":"x402_bazaar","external_id":"https://perp-gap-api.perpgap.workers.dev/history","owner_address":"0x2d82dcb9cc3a168d9ab25b62c1e33e278a51254f","seen_at":"2026-10-26T05:59:58.814006Z","removed_at":null}],"endpoints":[{"url":"https://perp-gap-api.perpgap.workers.dev/history","host":"perp-gap-api.perpgap.workers.dev","protocol":"x402","state":"live","last_probe_at":"2026-10-26T07:41:05.681068Z","last_ok_at":"2026-10-26T07:41:05.681068Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"perp-gap-api-perpgap-workers-dev-cdb3e95a","name":"perp-gap-api.perpgap.workers.dev"}],"payment_options":[{"endpoint_url":"https://perp-gap-api.perpgap.workers.dev/history","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"20000","pay_to":"0x2d82dcb9cc3a168d9ab25b62c1e33e278a51254f","observed_at":"2026-10-26T07:41:05.681068Z"},{"endpoint_url":"https://perp-gap-api.perpgap.workers.dev/history","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"20000","pay_to":"5MoL8HNnvZUogGrqiF4T1StmAUpdU7ERA2GUJ7gLrEja","observed_at":"2026-10-26T07:41:05.681068Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":4,"last_paid_at":"2026-10-22T21:53:08.447Z","reported_at":"2026-10-26T05:59:58.814006Z"},"notice":"Not affiliated with addrbook — claim or request removal."}