Use when an agent needs base usdc transfer check
Use when an agent needs base usdc transfer check. Returns Verify a Base mainnet transaction moved USDC: decodes all USDC Transfer logs from the receipt and reports settled=true only for a mined, successful tx with at least one transfer. $0.004.
4000 (raw units)
price
8
calls / 30d
3
unique payers
2026-09-14
updated
Provider
api.oblique.markets · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x970007590aCC5C938cd51345B17AF51B1B40D3Ab",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "4000",
"maxTimeoutSeconds": 60
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "GYyTRmt317JafPHXPnM54Fsvsma5GnS9wm6qGMqaykdS",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "4000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"tx": "Transaction hash to verify, 0x-prefixed 64 hex chars"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-08-10T12:00:00.000Z",
"block_number": 33712501,
"found": true,
"settled": true,
"status": "success",
"transfers": [
{
"amount_atomic": "3000",
"amount_usdc": "0.003000",
"from": "0x9d6cd21e921a30fbd077ab54c1c7ecfdd0e94b41",
"to": "0x36f2f97ec1eab00dcecff09e3e5dcbd2af11001a"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"tx": {
"description": "Transaction hash to verify, 0x-prefixed 64 hex chars",
"type": "string"
}
},
"required": [
"tx"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"as_of": {
"type": "string"
},
"block_number": {
"type": "integer"
},
"found": {
"type": "boolean"
},
"settled": {
"type": "boolean"
},
"status": {
"type": "string"
},
"transfers": {
"items": {
"properties": {
"amount_atomic": {
"type": "string"
},
"amount_usdc": {
"type": "string"
},
"from": {
"type": "string"
},
"to": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://api.oblique.markets/api/v1/paid/base-usdc-transfer-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://api.oblique.markets/api/v1/paid/base-usdc-transfer-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://api.oblique.markets/api/v1/paid/base-usdc-transfer-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/514.json, and this resource appears in /discovery/resources and /discovery/search.