x402 Barter — open a cashless trade
x402 Barter — open a cashless trade. Pay only the flat call fee; your good is escrowed, not sold for USDC.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1109 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://x402-agent-pay.com/x402/barter/offer
| Category | Everything else |
|---|---|
| Provider host | x402-agent-pay.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 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 | 1109 ms |
Example input (from the provider)
{
"bodyType": "json",
"method": "POST",
"schema": {
"properties": {
"partner_id": {
"description": "Optional partner ID for revenue sharing",
"type": "string"
},
"payment_header": {
"description": "Base64-encoded EIP-712 x402 payment authorization",
"type": "string"
},
"resource": {
"description": "Resource URL being accessed",
"type": "string"
}
},
"required": [
"payment_header"
],
"type": "object"
},
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"data": {
"description": "Response payload",
"type": "object"
},
"settlement_tx": {
"description": "On-chain settlement transaction hash",
"type": "string"
},
"success": {
"type": "boolean"
}
},
"type": "object"
}