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signing

Store a fiat mint custodian EIP-712 signature

post/signing/fiat-mint

Request body

mintRefstring required

bytes32 hex mint reference (0x-prefixed, 64 hex chars)

receiverstring required

Ethereum receiver address

usdAmountstring required

USD amount as integer string (scaled by 10^2)

validUntilnumber required

Unix timestamp — valid until

chainId1 | 137 | 143 | 8453 | 42161 | 10143 | 84532 | 11155111 required

Blockchain chain ID

signaturestring required

65-byte hex signature (0x-prefixed, 130 hex chars)

Example request

{
  "mintRef": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
  "receiver": "0x742d35Cc6634C0532925a3b8D4C9b5290C7e9E6D",
  "usdAmount": "100050",
  "validUntil": 1800000000,
  "chainId": 8453,
  "signature": "0xbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
}

Response

Signature stored successfully

successboolean required

Whether the operation succeeded

messagestring

Human-readable result message

idstring

Created record ID

Changes

No recorded changes to this endpoint across all 1 revision of this API.