Find x402 APIs that agents actually pay for
Find x402 APIs that agents actually pay for: keyword search over the whole Coinbase x402 Bazaar (31,000+ paid endpoints), ranked by distinct paying wallets in the last 30 days. Filter by max price and network. Returns URL, method, price, 30-day payers and calls, last paid call. Use to pick a proven seller before spending.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
53 msmedian answer time
$0.001942listed price per call
$0.001942price 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
GET https://plainchain.appin60.com/v1/bazaar/search
| Category | Market data |
|---|---|
| Provider host | plainchain.appin60.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.001942 | 53 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"max_price": "0.01",
"q": "gas price base"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "1-25, default 10",
"type": "string"
},
"max_price": {
"description": "optional max price per call in USD",
"type": "string"
},
"network": {
"description": "optional, e.g. base or eip155:8453",
"type": "string"
},
"q": {
"description": "words describing the task, e.g. 'web search', 'token price', 'weather'",
"type": "string"
}
},
"required": [
"q"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}