{"record":{"id":"3a6d0a8e8b7ab213","repo":"Significant-Gravitas/AutoGPT","slug":"unable-to-start-checkout-right-now-please-try-aga","errorCode":null,"errorMessage":"Unable to start checkout right now. Please try again or contact support.","messagePattern":"Unable to start checkout right now\\. Please try again or contact support\\.","errorType":"http","errorClass":"HTTPException","httpStatus":502,"severity":"error","filePath":"autogpt_platform/backend/backend/api/features/v1.py","lineNumber":1345,"sourceCode":"            detail=\"success_url and cancel_url must match the platform frontend origin\",\n        )\n    try:\n        url = await create_subscription_checkout(\n            user_id=user_id,\n            tier=tier,\n            success_url=request.success_url,\n            cancel_url=request.cancel_url,\n            billing_cycle=request.billing_cycle,\n            datafast_visitor_id=x_datafast_visitor_id,\n            datafast_session_id=x_datafast_session_id,\n        )\n    except ValueError as e:\n        raise HTTPException(status_code=422, detail=str(e))\n    except stripe.StripeError as e:\n        logger.exception(\n            \"Stripe error creating checkout session for user %s: %s\", user_id, e\n        )\n        raise HTTPException(\n            status_code=502,\n            detail=(\n                \"Unable to start checkout right now. \"\n                \"Please try again or contact support.\"\n            ),\n        )\n\n    status = await get_subscription_status(user_id)\n    status.url = url\n    return status\n\n\ndef _stripe_event_dedup_key(event_id: str) -> str:\n    return f\"stripe_webhook_event:{event_id}\"\n\n\nasync def _claim_stripe_event(event_id: str) -> bool:\n    \"\"\"Mark a Stripe webhook event as claimed via Redis SETNX.","sourceCodeStart":1327,"sourceCodeEnd":1363,"githubUrl":"https://github.com/Significant-Gravitas/AutoGPT/blob/9c8bb5550f446ba5d3046b78896578742495b3cf/autogpt_platform/backend/backend/api/features/v1.py#L1327-L1363","documentation":"Raised (502) when the stripe library raises stripe.StripeError while create_subscription_checkout talks to Stripe (creating a checkout session). The backend logs the full exception server-side and returns a deliberately generic message so no Stripe internals leak to the client. 502 signals the failure is with the upstream payment provider, not the request itself.","triggerScenarios":"Stripe API outage or 5xx; invalid/expired STRIPE_API_KEY causing AuthenticationError; network egress blocked from the backend to api.stripe.com; rate limiting (Stripe 429) during high checkout traffic; deleted price/product IDs referenced by the tier mapping.","commonSituations":"Test-mode keys left in prod (or vice versa) so the configured price IDs do not exist in that Stripe account; firewall/egress rules blocking outbound HTTPS in containerized deployments; Stripe incident windows.","solutions":["Retry after a short backoff — transient Stripe/network errors usually clear on their own.","Check backend logs: the logger.exception line includes the exact StripeError (auth failure, invalid price, rate limit) which pinpoints the fix.","Verify STRIPE_API_KEY is valid and matches the Stripe account (mode) that contains the price IDs for your tiers.","If egress-restricted, allow api.stripe.com:443 from the backend container/pod."],"exampleFix":null,"handlingStrategy":"retry","validationCode":null,"typeGuard":null,"tryCatchPattern":"catch (e) {\n  if (e.response?.status === 502) {\n    await sleep(backoffMs); backoffMs = Math.min(backoffMs * 2, 30_000); retries++ < 3 && retry();\n  } else throw e;\n}","preventionTips":["Wrap checkout initiation with bounded exponential backoff (Stripe blips are common).","Subscribe to status.stripe.com and disable the upgrade CTA during incidents instead of letting users hit 502s.","Alert on the backend's `Stripe error creating checkout session` log line — it carries the root cause (auth, price, rate limit)."],"tags":["payments","stripe","upstream","network","http-502"],"backgroundTag":null,"analyzedSha":"9c8bb5550f446ba5d3046b78896578742495b3cf","analyzedAt":"2026-08-14T17:17:21.957Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}