# x402 Agentic — Verify Payment Settlement

> x402 Agentic — Verify Payment Settlement is a paid API for AI agents from api.x402agentic.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Confirms that an x402 payment transaction actually settled on-chain with the correct recipient address, asset, and amount given a transaction hash.

## Facts

- Endpoint: GET https://api.x402agentic.ai/verify-payment
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-agentic-verify-payment-settlement-003de89f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pzTf2kkKnwAOEGiznlvwR

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-agentic-verify-payment-settlement-003de89f
```

Example prompt: Can you check whether the Base USDC payment with transaction hash 0xabc123...def456 actually settled on-chain to recipient 0xRecipient...789 for $5.00 USDC?

## When to prefer this

Use this endpoint when an AI agent needs cryptographic confirmation that an x402 payment it received (or sent) actually settled on-chain with the correct parameters before releasing goods, services, or access. Prefer this over trusting a payment header alone, since it independently confirms the chain of record rather than relying on the payer's claim.

## Known failure modes

- Transaction hash not found or not yet confirmed on-chain — returns unverified or pending status
- Recipient address mismatch — payment went to a different wallet than expected
- Asset mismatch — transaction used a different token than USDC on Base
- Amount mismatch — settled amount differs from expected USD value
- Invalid transaction hash format (must be 0x + 64 hex chars) — returns 400 bad request
- Network congestion causing delayed finality — verification may return pending

## How this service works

Confirm an x402 payment actually settled on-chain — correct recipient, asset, and amount — from the transaction hash. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.

## Output

Returns a confirmation of whether the on-chain transaction settled correctly, including whether the recipient address, token asset, and USD amount match the expected values provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "txHash"
     ],
     "properties": {
      "asset": {
       "type": "string",
       "description": "Token contract (defaults to USDC on Base)"
      },
      "payTo": {
       "type": "string",
       "description": "Expected recipient address"
      },
      "txHash": {
       "type": "string",
       "description": "Transaction hash to verify (0x + 64 hex)"
      },
      "amountUsd": {
       "type": "number",
       "description": "Expected amount in USD (optional)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "to": "0xc23c…",
  "txHash": "0x…",
  "settled": true,
  "verdict": "allow",
  "verified": true,
  "amountUsd": 0.1
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-agentic-verify-payment-settlement-003de89f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402agentic.ai](https://www.zero.xyz/host/api.x402agentic.ai/llms.txt)