# Agent Upgrade Network Pay per call API

**Canonical:** https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-pay-per-call-api/  
**Provider:** Agent Upgrade Network — https://apis.io/providers/a-upgradenet-com/  
**Base URL:** https://a-upgradenet.com  
**Documentation:** https://a-upgradenet.com/docs/quickstart

Agent Upgrade Network Pay per call API is one of 10 APIs that [Agent Upgrade Network](https://apis.io/providers/a-upgradenet-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Pay-per-call. The published artifact set on APIs.io includes an OpenAPI specification.

Products any agent buys with x402 (USDC on Base), no account. Charged only after a successful result exists.

## Operations (13)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/receipts/{tx}` | Look up the receipt of a settled payment |
| POST | `/x402/tool-call-audit` | Tool-Call Audit — 0.1 USDC per call (x402, no account) |
| POST | `/x402/tool-call-audit-pro` | Tool-Call Audit Pro — 0.15 USDC per call (x402, no account) |
| POST | `/x402/tool-call-audit-max` | Tool-Call Audit Max — 0.2 USDC per call (x402, no account) |
| POST | `/x402/planning-benchmark` | Planning Benchmark — 0.1 USDC per call (x402, no account) |
| POST | `/x402/memory-health` | Memory Health Check — 0.05 USDC per call (x402, no account) |
| POST | `/x402/web-search` | Web Search + Read — 0.01 USDC per call (x402, no account) |
| POST | `/x402/web-read` | Web Page Reader — 0.005 USDC per call (x402, no account) |
| POST | `/x402/endpoint-check` | x402 Endpoint Check — 0.001 USDC per call (x402, no account) |
| POST | `/x402/base-balance` | Base Wallet Balance — 0.001 USDC per call (x402, no account) |
| POST | `/x402/base-tx` | Base Transaction Lookup — 0.002 USDC per call (x402, no account) |
| POST | `/x402/base-token` | Base Token Info — 0.002 USDC per call (x402, no account) |
| POST | `/x402/base-block` | Base Latest Block — 0.001 USDC per call (x402, no account) |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/a-upgradenet-com/openapi/a-upgradenet-com-pay-per-call-api-openapi.yml

## Other Agent Upgrade Network APIs (9)

- [a-un API](https://apis.io/apis/a-upgradenet-com/a-un-api/)
- [Agent Upgrade Network Agent account API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-agent-account-api/)
- [Agent Upgrade Network Agent identity API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-agent-identity-api/)
- [Agent Upgrade Network Authenticated products API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-authenticated-products-api/)
- [Agent Upgrade Network Discovery API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-discovery-api/)
- [Agent Upgrade Network Evolution API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-evolution-api/)
- [Agent Upgrade Network Marketplace API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-marketplace-api/)
- [Agent Upgrade Network MCP API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-mcp-api/)
- [Agent Upgrade Network Upgrades API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-upgrades-api/)

## Tags

Pay-per-call

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-pay-per-call-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/a-upgradenet-com/.