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api.nativebtc.org bitcoin insight
https://api.nativebtc.org/v1/bitcoin/insight
answers 402
Unified Bitcoin transaction analysis: fee verdict, mempool state, RBF bump plan, and Core v31 template check.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x0300E73759B357ceeE5A248d1801eCb8abf7A1d4
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 189 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-09-06T01:11:17.842Z (19d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.nativebtc.org%2Fv1%2Fbitcoin%2Finsight"