API Reference
Portal

Execute payment quote

post
https://api.cert.zerohash.com/payments/execute

Executes the quote identified by quote_id and creates the underlying fiat transaction. The quote must not have expired.

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Body Params

Execution payload.

string
required
length between 6 and 6

Participant code of the customer executing the quote.

uuid
required

Identifier of the quote returned by POST /payments/rfq. Must not have expired.

number
required

Unix timestamp in seconds at which the customer accepted the ACH debit authorization.

string
length ≤ 10

Optional free-text descriptor for the transaction (max 10 characters).

string
required

Identifier of the previously-linked external fiat account that will be debited.

string

Optional override of the account group on the customer side. Defaults to the calling platform.

network
array of strings

Ordered list of acceptable fiat rails. When omitted, the service picks the best eligible rail for the account.

network
Allowed:
Headers
string
required

HMAC-SHA256 signature of the request, base64-encoded. See the Authentication guide for the exact signing formula.

string
required

Current Unix timestamp in seconds. Must be within 60 seconds of server time or the request is rejected.

Responses

Updated about 1 month ago

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Updated about 1 month ago