Execute HTTPS requests reliably with automatic retries for rate limits, temporar
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
433 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://retry.exende.dev/v1/retries
| Category | Code and developer |
|---|---|
| Provider host | retry.exende.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 433 ms |
Example input (from the provider)
{
"body": {
"callback_secret": "client-generated-secret-with-at-least-32-characters",
"callback_url": "https://agent.example.com/retry-complete",
"request": {
"headers": {},
"method": "GET",
"url": "https://api.example.com/data"
},
"retry": {
"initial_delay_seconds": 5,
"max_attempts": 8,
"max_delay_seconds": 300,
"strategy": "exponential"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"callback_secret": {
"description": "Client-generated HMAC-SHA256 secret. Required with callback_url, encrypted at rest, and never returned.",
"maxLength": 512,
"minLength": 32,
"type": "string"
},
"callback_url": {
"description": "Optional HTTPS endpoint for one signed terminal callback delivery workflow. Requires callback_secret.",
"format": "uri",
"type": "string"
},
"request": {
"additionalProperties": false,
"properties": {
"body": {
"description": "Optional JSON-compatible outbound request body. GET bodies are not accepted."
},
"headers": {
"additionalProperties": {
"type": "string"
},
"maxProperties": 32,
"type": "object"
},
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE"
],
"type": "string"
},
"url": {
"description": "Public HTTPS destination for the durable request.",
"format": "uri",
"type": "string"
}
},
"required": [
"method",
"url"
],
"type": "object"
},
"retry": {
"additionalProperties": false,
"properties": {
"initial_delay_seconds": {
"default": 5,
"maximum": 3600,
"minimum": 2,
"type": "integer"
},
"max_attempts": {
"default": 8,
"description": "Included outbound attempts for the $0.02 paid job.",
"maximum": 8,
"minimum": 1,
"type": "integer"
},
"max_delay_seconds": {
"default": 300,
"maximum": 3600,
"minimum": 2,
"type": "integer"
},
"strategy": {
"default": "exponential",
"enum": [
"fixed",
"exponential"
],
"type": "string"
}
},
"type": "object"
},
"retry_status_codes": {
"items": {
"maximum": 599,
"minimum": 100,
"type": "integer"
},
"maxItems": 100,
"type": "array"
},
"success_codes": {
"items": {
"maximum": 599,
"minimum": 100,
"type": "integer"
},
"maxItems": 100,
"minItems": 1,
"type": "array"
}
},
"required": [
"request"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"attempts": {
"const": 0,
"type": "integer"
},
"created_at": {
"format": "date-time",
"type": "string"
},
"id": {
"pattern": "^retry_[a-f0-9]{32}$",
"type": "string"
},
"max_attempts": {
"maximum": 8,
"minimum": 1,
"type": "integer"
},
"next_attempt_at": {
"format": "date-time",
"type": "string"
},
"read_token": {
"description": "Bearer capability for status and attempt history. Treat as secret.",
"type": "string"
},
"status": {
"const": "pending",
"type": "string"
},
"status_url": {
"format": "uri",
"type": "string"
}
},
"required": [
"id",
"status",
"attempts",
"max_attempts",
"created_at",
"next_attempt_at",
"status_url",
"read_token"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}