{"rid":"data-apis/coincap","card":{"rid":"data-apis/coincap","eid":"coincap","topic":"data-apis","slug":"coincap","provider":"CoinCap","url":"https://pro.coincap.io/api-docs","domain":"coincap.io","category":"crypto market data API (assets, exchanges, markets, rates, indicators)","tier":"Free","verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"documented","binding":"request-rate","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":1,"interfaces":"rest","egress_metered":1,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-11-03T00:30:00.000Z","verified_basis":"live","checked_on":"2026-11-03","stale_on":"2026-12-04","n_evidence":10,"usd_month":null,"usd_per_tb_month":null,"summary":"Free tier: 500 credits per month at 5 API calls per minute, with no WebSocket access; each call costs 1 credit plus 1 more per 2,500 bytes of response","duplicate_of":null,"n_unknown":1,"free_unit":"credits"},"record":{"topic":"data-apis","slug":"coincap","provider":"CoinCap","url":"https://pro.coincap.io/api-docs","category":"crypto market data API (assets, exchanges, markets, rates, indicators)","tier":"Free","free_tier":{"stated":"Free tier: 500 credits per month at 5 API calls per minute, with no WebSocket access; each call costs 1 credit plus 1 more per 2,500 bytes of response","unit":"credits","metered_on":"request-count","source_url":"https://pro.coincap.io/api-docs","read_on":"2026-11-02","notes":"Every call needs an API key, also on the Free tier; the old keyless v2 host is not the current API. Responses to identical requests may come from a 60-second cache and are billed like fresh ones. Ten agent-friendly endpoints can instead be paid per call in USDC with no account. Paid tiers start at Builder, 50,000 credits per month at 30 calls per minute."},"per_object_cap":{"stated":"100 results per page by default, up to 2,000 per page on request","bytes":null,"source_url":"https://pro.coincap.io/api-docs","notes":""},"retention":{"stated":"not applicable","days":null,"notes":"History reaches back to July 2010 for Bitcoin; depth varies by asset."},"egress":{"terms":"not metered in bytes, but each 2,500 bytes of a response costs 1 extra credit against the 500-credit monthly allowance","metered":true,"free_allowance":"500 credits per month","price_per_tb":null,"source_url":"https://pro.coincap.io/api-docs"},"interface":["rest"],"interface_detail":"GET https://rest.coincap.io/v3/... with Authorization: Bearer KEY or the apiKey query parameter; an MCP endpoint and WebSocket (paid tiers) also exist","endpoint":"https://rest.coincap.io/v3","tooling":"curl or any HTTP client; an OpenAPI 3.0 spec is published","chaining":"Spot prices and history for a few hundred calls a month; CoinPaprika and CoinLore cover the same ground with no key.","limits":[{"kind":"request-rate","value":"5 API calls per minute on the Free tier","source":"https://pro.coincap.io/api-docs"},{"kind":"request-rate","value":"500 credits per month on the Free tier, 1 credit per call plus 1 per 2,500 bytes","source":"https://pro.coincap.io/api-docs"}],"limits_note":"Bulk path: none; pages of up to 2,000 rows. Storage terms: not read (unverified: the terms page captured answered HTTP 404).","binding":"request-rate","binding_note":"500 credits a month, spent at 1 credit or more per call, run out long before the 5 calls per minute matter.","identity_cost":{"kind":"email","detail":"A key needs an account made at coincap.io; the vendor says no credit card is required. The fields of the sign-up form were not read, so email as the only identifier is unverified: behind a sign-up.","country":null},"reliability_note":"A call with no key answers HTTP 401; the Free tier is capped at 5 calls per minute.","confidence":"documented","confidence_note":"Tier numbers are read from the vendor docs and pricing page; a keyless call answered 401. The key was not exercised.","evidence":[{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"the Free tier is 500 credits a month at 5 calls a minute, REST only","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"Rate limits vary by tier, from 5 API calls per minute on the Free tier up to 900 on Enterprise."},{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"Free tier credits per month and no WebSocket","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"Free Tier ... 500 credits per month ... 5 API calls per minute ... NO web-socket access"},{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"credit cost per call","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"Each API call charges a base cost of 1 credit, and then 1 additional credit per 2,500 bytes of additional data."},{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"every call needs a bearer token","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"All API calls require a bearer token in the header or URL."},{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"a response may be served from a 60-second cache and is billed the same","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"Responses to identical requests may be served from an in-memory cache for up to 60 seconds to improve performance. Cached responses are billed the same as fresh responses."},{"url":"https://pro.coincap.io/api-docs","date":"2026-11-02","proved":"page size is 100 by default and up to 2,000","capture":"sha256:a6cb2946aea9868670a2720110c472d211755caee526bfdb137a711f4799c22a","quote":"a single page offers 100 responses by default and supports up to 2,000 responses per page upon requests"},{"url":"https://splash.coincap.io/pricing","date":"2026-11-02","proved":"the Free plan needs no card and does not expire","capture":"sha256:b8661d3f0f87cb40e3c386e6e9317ce5d246ee0b4ae315cccd9887d5ebca31a0","quote":"The Free plan includes 500 credits per month and 5 requests per minute with no credit card and no expiration"},{"url":"https://splash.coincap.io/","date":"2026-11-02","proved":"history reaches back to July 2010","capture":"sha256:8c78c194d1b1e1fa24b7bcc184b5c51caedfb6a5e1bfee2a4888583d2697f977","quote":"Back to July 2010, starting from Bitcoin's first recorded price of $0.086."},{"url":"https://splash.coincap.io/","date":"2026-11-02","proved":"ten endpoints accept pay-per-call USDC with no account","capture":"sha256:8c78c194d1b1e1fa24b7bcc184b5c51caedfb6a5e1bfee2a4888583d2697f977","quote":"Ten agent-friendly routes accept x402 pay-per-call payment in USDC on Base instead of an account"},{"url":"probe:https://rest.coincap.io/v3/price/bysymbol/BTC","date":"2026-11-03","proved":"a call with no key answers HTTP 401","capture":"sha256:cd14ebce354acf278226c18235690dc657bb88198e317e08f93408a0a097dad4","quote":"\"status\": 401"}],"verdict":"qualifies-with-caveat","verified_at":"2026-11-03T00:30:00.000Z","notes":"500 credits a month is the binding quota; the keyless route exists only as paid per-call USDC. Bulk path: none. Storage terms: unverified.","extras":{"bulk_path":"none; pages of up to 2,000 rows","history_depth":"back to July 2010 for Bitcoin; varies by asset"}},"claims":[{"path":"$.free_tier","kind":"has-free-tier","num":1,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.free_tier.stated","kind":"free-quota","num":500,"unit":"credits","per":"month","currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:request-rate","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:request-rate","num":500,"unit":"credits","per":"month","currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.retention.stated","not-applicable"]],"history":[],"drift":[]}