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Retry.exende.dev Durable HTTP Request Executor
x402
Retry.exende.dev Durable HTTP Request Executor is a paid API for AI agents from retry.exende.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Execute an outbound HTTPS request with automatic retries for rate limits, server errors, and timeouts, backed by a paid durable job with up to 8 attempts over 24 hours.
Price / call$0.02
Success—
StatusUnknown
How this service works
Execute HTTPS requests reliably with automatic retries for rate limits, temporary server failures, network errors and timeouts. One $0.02 USDC payment creates one durable job with up to 8 attempts and a 24 hour lifetime.
Output
A durable job record including a job ID, the current status, and per-attempt details (status code, response body, timestamps). On job completion or final failure, an optional signed HMAC callback is delivered to the specified callback URL with the terminal result.
Example use cases
Reliable webhook delivery for flaky endpoint
“Send a POST to https://hooks.example.com/payment-confirmed with body {"payment_id": "PAY-555"} and retry up to 8 times using exponential backoff — the endpoint sometimes returns 503 or 429, so keep trying for up to 24 hours and call back my server at https://myapp.com/done with secret myhmacSecret32characterslongXXXX when finished.”
Rate-limited third-party API call
“I need to call https://api.analytics.io/v2/ingest with a POST and body {"event": "signup", "user_id": "U-001"} but they throttle heavily — set it up to retry on 429 and 503 with exponential backoff, max 5 attempts, and a 10-second initial delay.”
Fault-tolerant data push to unstable service
“Push this JSON to https://legacy.crm.internal/contacts via PUT — body is {"name": "Acme Corp", "status": "active"} — and if it fails with a 500 or times out, retry with fixed backoff every 30 seconds, up to 6 tries, over the next 24 hours.”
Technical details
Endpoint
POSThttps://retry.exende.dev/v1/retriesWhen to prefer
Choose this endpoint when you need guaranteed, fault-tolerant delivery of a single outbound HTTP request to an unreliable or rate-limited API — especially when you cannot implement retry logic yourself or need durability beyond a single process lifetime. It is ideal for webhook dispatch, pushing to flaky third-party services, or any scenario where a failed HTTP call must be retried automatically over a 24-hour window with configurable exponential or fixed backoff, and where a signed callback on completion is valuable.
Side effects
- All 8 attempts exhausted without a success code — job marked failed
- Target URL is unreachable or returns non-retryable errors on all attempts
- Callback delivery fails if callback_url is unreachable at job completion
- Invalid or non-HTTPS target URL rejected at submission
- Missing callback_secret when callback_url is provided — validation error
- Request body provided for GET method — rejected
- max_attempts or delay values outside allowed ranges — schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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