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rest.coincap.io asset_mcap_history bitcoin
https://rest.coincap.io/v3/agentFriendly/asset_mcap_history/bitcoin
answers 402
Historical market-cap series for an asset slug (capped data points).
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x9baa4417D1E78F2eD5b09aa4Abfb541aeB2cD6Ed
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 556 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:26:47.319Z (1d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Frest.coincap.io%2Fv3%2FagentFriendly%2Fasset_mcap_history%2Fbitcoin"