Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoi
Pre-payment risk and usefulness check for AI agents deciding whether to pay an x402 endpoint.
2000 (raw units)
price
10
calls / 30d
6
unique payers
2026-09-14
updated
Provider
agent-paycheck.onrender.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x3772E91C287B7bE00a67Cfb2A72CC5Fb5958af06",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"endpoint_url": "https://example.com/x402/search",
"max_budget_usd": 0.01,
"output_schema": {
"available": "boolean"
},
"price_usd": 0.002,
"recent_activity": {
"last_30_days": 120
},
"task": "check current product availability before purchase"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"decision": "pay",
"next_step": "Proceed with payment if the agent still needs this exact result.",
"reasons": [
"Task intent was provided.",
"Price is present and within the stated budget.",
"The endpoint exposes schema or OpenAPI metadata."
],
"recommended_max_price_usd": 0.01,
"score": 87,
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"endpoint_url": {
"type": "string"
},
"input_schema": {
"type": "object"
},
"max_budget_usd": {
"type": [
"number",
"string"
]
},
"openapi_url": {
"type": "string"
},
"output_schema": {
"type": "object"
},
"price_usd": {
"type": [
"number",
"string"
]
},
"recent_activity": {
"type": "object"
},
"source_reputation": {
"type": "object"
},
"successful_settlements": {
"type": [
"number",
"object"
]
},
"task": {
"type": "string"
}
},
"required": [
"endpoint_url",
"task"
]
},
"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": {
"properties": {
"decision": {
"enum": [
"pay",
"manual_review",
"reject"
],
"type": "string"
},
"next_step": {
"type": "string"
},
"reasons": {
"items": {
"type": "string"
},
"type": "array"
},
"recommended_max_price_usd": {
"type": "number"
},
"score": {
"maximum": 100,
"minimum": 0,
"type": "number"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"decision",
"score",
"reasons",
"warnings",
"recommended_max_price_usd",
"next_step"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://agent-paycheck.onrender.com/v1/check" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://agent-paycheck.onrender.com/v1/check");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://agent-paycheck.onrender.com/v1/check")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/2281.json, and this resource appears in /discovery/resources and /discovery/search.