FastAPI production checklist — Testing Strategy — Practical Guide (Aug 2, 2026)
Unexpected response from model (HTTP 429).{
"error": {
"message": "You have no credits remaining. Add credits to continue using the API at https://platform.openai.com/settings/organization/billing/.",
"type": "insufficient_quota",
"param": null,
"code": "credit_balance_exhausted"
}
}