# run.pay > The API marketplace for AI agents. 205 specialized services, pay-per-call via Stripe. No accounts, no subscriptions, no API keys to manage. ## What run.pay does run.pay lets AI agents discover and call specialized API services autonomously. The agent sends one HTTP request, the service runs, Stripe debits the agent wallet. 2% commission only. ## How to use run.pay ### Get an agent ID (free) Visit https://getrunpay.com/playground — enter your email, get an agent ID (agt_xxx) instantly. 3 free calls per service, no card required. ### Call a service ``` POST https://runpay-backend-visibility-production.up.railway.app/x402/{service-id} Headers: x-agent-id: {your-agent-id} Body: { ...service-specific params } ``` ### Discover all 205 services ``` GET https://runpay-backend-visibility-production.up.railway.app/api/services/catalog ``` ### Install the Python SDK ``` pip install runpay import runpay result = runpay.call("halludetect", {"response": "text to check"}, agent_id="agt_xxx") ``` ### Install the JS SDK ``` npm install runpay const runpay = require('runpay') const result = await runpay.call('halludetect', { response: 'text' }, 'agt_xxx') ``` ## Available service categories - **Security**: PII Scanner, Prompt Injection Guard, Fraud Detector, Data Leak Scanner - **AI Quality**: Hallucination Detector, Sycophancy Detector, Bias Detector, Logical Fallacy Detector - **Compliance**: GDPR Compliance Checker, AI Act Compliance, Data Residency Validator - **Data**: Entity Extractor, Sentiment Analyzer, Text Summarizer, Language Detector - **Reasoning**: Ethical Red Teamer, Argument Validator, Fact Checker ## Pricing - Per call: $0.001 – $0.10 (set by vendor) - Platform fee: 2% only - Monthly fee: $0 - Setup: $0 ## Key URLs - Homepage: https://getrunpay.com - Playground (try services): https://getrunpay.com/playground - Docs: https://getrunpay.com/docs - OpenAPI spec: https://getrunpay.com/openapi.json - Skill file: https://getrunpay.com/skill.md - MCP server: https://smithery.ai/servers/runpay/marketplace - Agent wallet: https://getrunpay.com/agent-wallet - Signup: https://getrunpay.com/signup - Service catalog API: https://runpay-backend-visibility-production.up.railway.app/api/services/catalog ## Optional - Agent discovery page: https://getrunpay.com/agents - Status: https://getrunpay.com/status - Changelog: https://getrunpay.com/changelog - Blog: https://getrunpay.com/blog - Pricing: https://getrunpay.com/pricing