Sign in

v3

latestOpenAPI 3.1.02026-08-06186981679.4 KB
redeem

Create Redeem Transaction

Creates a transaction for the user to sign in order to redeem their Coinflow credits with a merchant's contract.

The transaction passed to this endpoint should be the same as if the end user's wallet was calling the merchant's contract with enough USDC/Other Cryto Currency to successfully complete the transaction.

post/redeem

Headers

x-coinflow-auth-walletstring required

The web3 wallet of the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

x-device-idstring

Request body

merchantIdstring required
transactionstring required

Transaction for which the purchase will be redeemed. This should be constructed by the merchant, and should be setup the same way as if the user has USDC/Purchase Token in their wallet. The endpoint will modify this transaction and then send it back to the user to sign and send.

Solana - base 58 encoded transaction, create using: base58.encode(transaction.serialize({ requireAllSignatures: false, verifySignatures: false })) Evm - Base 64 encoded stringified transaction, create using: Buffer.from(JSON.stringify(transaction)).toString('base64')

skipBalanceCheckboolean

Response

Ok

transactionstring required

Transaction for the users wallet to sign and send.

Solana - base 58 encoded transaction, recover using: Transaction.from(base58.decode(transaction)) Near - Base 64 encoded stringified transaction, recover using: JSON.parse(Buffer.from(transaction, 'base64').toString()); Evm - Base 64 encoded stringified transaction, recover using: JSON.parse(Buffer.from(transaction, 'base64').toString());