skills.rest
Tsin418
Tsin418COMMUNITY
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pay-for-service

Pay required USDC amounts for x402 API calls on Base.

Updated May 10, 2026
Search Tags:#x402#usdc#base#http request#payment automation#paid api#wallet auth
One-click install
npx skills add https://github.com/Tsin418/crypto-research-agent --skill pay-for-service-tsin418
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: pay-for-service
Source: https://github.com/Tsin418/crypto-research-agent/tree/main/.agents/skills/pay-for-service
Command: npx skills add https://github.com/Tsin418/crypto-research-agent --skill pay-for-service-tsin418

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

It removes the friction of calling paid x402 endpoints by automatically handling USDC payment on Base so you can get results from paid services without manual funding steps.

Core Features & Use Cases

  • Automatic USDC Payments for Paid Endpoints: Executes an x402 request and pays the required USDC amount for you on Base.
  • Configurable Request Details: Lets you set the HTTP method, JSON body, query params, and custom headers for the target endpoint.
  • Cost Guardrails: Supports a max USDC payment cap (in atomic units) and correlation IDs to group related operations.
  • Use Case: When you find a paid service URL (for example, from search-for-service), call it directly to obtain the service response while controlling the maximum spend.

Quick Start

Ask the AI to run the pay-for-service skill to request a paid endpoint: npx [email protected] x402 pay https://example.com/api/weather

Frequently Asked Questions about pay-for-service

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate USDC payments for paid x402 API calls on Base?▼

Automating USDC payments for paid x402 API calls on Base requires a tool that executes the HTTP request and handles the required USDC transaction directly from an authenticated, sufficiently funded wallet, removing manual funding steps.

What is an x402 paid endpoint and when do I need USDC to access it?▼

An x402 paid endpoint is an API that requires a direct cryptocurrency payment to return data. You need USDC on the Base network to access it when a service URL requires automated micro-transactions before fulfilling your GET or POST request.

Can I set custom headers and JSON body for x402 HTTP requests?▼

Yes, you can configure the HTTP method, JSON body, query parameters, and custom headers for x402 HTTP requests. This allows you to target specific paid endpoints and pass the required payload data while the tool handles the USDC payment.

How do I limit spending when making automated API payments with USDC?▼

You can limit spending on automated API payments by setting a maximum USDC payment cap in atomic units. This cost guardrail ensures the transaction automatically fails if the endpoint requires a payment exceeding your configured threshold.

Do I need a funded wallet to call a paid x402 service URL?▼

Yes, you need an authenticated wallet with sufficient USDC funds on the Base network to call a paid x402 service URL. The system validates the wallet and inputs before executing the GET or POST request to reduce injection risk.

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