Fetch up to 10 x402 discovery documents or service origins, extract paid resources, normal
Fetch up to 10 x402 discovery documents or service origins, extract paid resources, normalize USDC atomic amounts, and rank resources by price, scheme, network, tags, and service metadata. This deterministic endpoint does not call an upstream model. GET variant for agents, crawlers, and wallets that prefer query parameters over a JSON body. Pay up to $0.003 per request with x402 USDC on Base.
3000 (raw units)
price
1
calls / 30d
1
unique payers
2026-06-12
updated
Provider
gpt55.558686.xyz · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"maxTimeoutSeconds": 300
},
{
"scheme": "upto",
"network": "eip155:8453",
"payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 20,
"query": "quote",
"urls": [
"https://gpt55.558686.xyz"
]
},
"type": "http"
},
"output": {
"example": {
"ok": true,
"summary": "Structured x402 discovery price comparison.",
"tool": "x402DiscoveryPriceCompare"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"urls"
]
},
{
"required": [
"origins"
]
},
{
"required": [
"discovery_urls"
]
}
],
"properties": {
"discovery_urls": {
"items": {
"maxLength": 2048,
"minLength": 1,
"type": "string"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
},
"limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"max_bytes": {
"maximum": 1048576,
"minimum": 4096,
"type": "integer"
},
"origins": {
"items": {
"maxLength": 2048,
"minLength": 1,
"type": "string"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
},
"query": {
"maxLength": 120,
"type": "string"
},
"timeout_ms": {
"maximum": 12000,
"minimum": 1000,
"type": "integer"
},
"urls": {
"items": {
"maxLength": 2048,
"minLength": 1,
"type": "string"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"properties": {
"fetchedAt": {
"type": "string"
},
"ok": {
"type": "boolean"
},
"tool": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://gpt55.558686.xyz/v1/tools/x402-discovery-price-compare" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://gpt55.558686.xyz/v1/tools/x402-discovery-price-compare");
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://gpt55.558686.xyz/v1/tools/x402-discovery-price-compare")
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/5820.json, and this resource appears in /discovery/resources and /discovery/search.