chainpeek (Tanod) x402 receipt check
chainpeek (Tanod) x402 receipt check: does a transaction hash pay this token amount to this address on Base, Polygon, Arbitrum, BNB Chain or Solana. Use when an agent or seller must verify that a transaction hash paid a given token amount to a given address.
Answeringour last check, 2026-11-04
3 of 3checks answered this week
363 msmedian answer time
$0.002listed price per call
$0.002price 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://tanod.dev/v1/x402/receipt-check
| Category | Market data |
|---|---|
| Provider host | tanod.dev |
| Networks | eip155:137, eip155:42161, eip155:56, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| 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 |
|---|---|---|---|---|
| 2026-11-04 | valid payment request | 402 | $0.002 | 293 ms |
| 2026-11-03 | valid payment request | 402 | $0.002 | 363 ms |
| 2026-11-02 | valid payment request | 402 | $0.002 | 367 ms |
Example input (from the provider)
{
"body": {
"expect_amount": "0.002",
"expect_pay_to": "0x1111111111111111111111111111111111111111",
"network": "base",
"tx_hash": "0xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"expect_amount": {
"anyOf": [
{
"maxLength": 40,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional: the amount in token units as a decimal string, e.g. \"0.002\". The transfer must carry at least this."
},
"expect_pay_to": {
"anyOf": [
{
"maxLength": 60,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional: the address that should have received the payment (0x + 40 hex, or a Solana wallet or token account)."
},
"expect_token": {
"anyOf": [
{
"maxLength": 60,
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"description": "Optional: USDC, USDT or a token contract address (a Solana mint). Default: the network's native USDC."
},
"network": {
"description": "Chain of the transaction: base, polygon, arbitrum, bnb or solana (or eip155:8453, eip155:137, eip155:42161, eip155:56); any other network is a 422.",
"maxLength": 70,
"type": "string"
},
"tx_hash": {
"description": "The full transaction hash (0x + 64 hex on the EVM chains) or Solana signature (base58, 87-88 characters); a truncated hash is a 422.",
"maxLength": 100,
"minLength": 64,
"type": "string"
}
},
"required": [
"network",
"tx_hash"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}