Payment check
verify_paymentRead-onlyIdempotent
Verify an on-chain payment from its transaction hash on Base, Ethereum, Arbitrum, Solana or Bitcoin (chain is detected if omitted). Returns status and verified. pending, unknown and not_found answers are not charged. Free: 1 a day per IP (counted across the HTTP routes and MCP), then $0.003 per call via x402.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Omit to auto-detect | |
| exact | No | ||
| token | No | Symbol or contract/mint; default USDC (EVM), SOL, BTC | |
| tx_hash | Yes | ||
| receiver | Yes | ||
| not_before | No | ||
| expected_from | No | ||
| expected_amount | Yes | Decimal string, human units | |
| min_confirmations | No | Can raise, not lower, the chain default |