# Errors & Tracing

## Standard error body

All errors return a body with:

- `traceId`
- `error.code`
- `error.message`
- optional `error.details`


## X-Trace-Id

All responses include `X-Trace-Id`. When opening a support ticket, include the trace id.

## Common error codes

- `INVALID_REQUEST`
- `UNAUTHORIZED`
- `FORBIDDEN`
- `NOT_FOUND`
- `QUOTE_EXPIRED`
- `CORRIDOR_NOT_SUPPORTED`
- `PROVIDER_UNAVAILABLE`
- `RATE_LIMITED`
- `IDEMPOTENCY_CONFLICT`