code and a human-readable message. Branch your error handling on code, not on message, because messages can change. This page lists every error code by category with the fix for each.
Error format
string
required
Stable, machine-readable error code from the tables below.
string
required
Human-readable explanation. Do not parse it.
string
The request field that caused the error, when one applies.
string
Unique ID for the request. Include it when you contact support.
HTTP status codes
Error codes
Authentication and access
Request validation
Rates and quotes
Ramps and transactions
Deposit wallets
Beneficiaries
Webhooks
Rate limits and server errors
Retry guidance
- Retry
429,500, and503with exponential backoff (for example 1s, 2s, 4s, up to 5 attempts). - Do not retry
400,401,403,404, or422without changing the request. - Send an
Idempotency-Keyheader onPOSTrequests so a retried request never creates a duplicate transaction.
Error handling example
