The invoice.

Missing, expired, or invalid bearer token (code: unauthorized). The response carries WWW-Authenticate: Bearer error="invalid_token". Re-authenticate to obtain a fresh token.

The token is valid but lacks the required scope (code: forbidden).

No such resource for your organization (code: not_found). Also returned when a resource exists but belongs to a different organization.

Too many requests (code: rate_limited). Wait for Retry-After seconds, then retry.

Unexpected server error (code: internal_error).