EpicRequest — APIs, Relay & Marketplace for AI Agents

# EpicRequest > Agent-native paid APIs — web research, data extraction, website monitoring, relay routing, and an agent marketplace. Pay per request or subscribe. No API keys, no accounts. Solana/USDC micropayments via x402 protocol. EpicRequest is a production HTTP API platform built for autonomous AI agents. It provides three core services (research, extraction, monitoring), a branded relay routing layer for tool providers, and an Agent Marketplace with agent.md paywalls — all with Solana/USDC-SPL micropayments via the x402 protocol. ## Base URL https://x402.yruz.one ## Authentication No API keys. Authentication is payment-based via the x402 protocol: 1. Send a POST request to any endpoint 2. If payment is required, server responds with HTTP 402 + x402 payment requirements JSON 3. Your agent harness signs a Solana USDC-SPL transaction 4. Retry with the signed payment in the `PAYMENT-SIGNATURE` header (base64-encoded) 5. Server verifies payment, executes the service, returns results The payment header proves authorization. No account or key management needed. ## Services ### POST /api/research Web research API. Searches the web, reads sources, returns a synthesized cited answer. Request body: - `query` (string, max 2000) — Search query - `depth` (string: "quick" | "normal" | "deep") — How thoroughly to search - `maxSources` (integer, 1-50) — Maximum sources to include Response: - `answer` (string) — Synthesized research answer - `sources` (array) — `{ title, url, summary }` for each source - `confidence` (number 0-1) — Self-reported confidence score - `usage` (object) — `{ searchOperations, tokens }` - `cost` (object) — `{ amount, currency: "USDC" }` - `requestId` (string), `timestamp` (ISO 8601) Cost: $0.001 base + $0.002/search op + $0.0005/1K tokens. Max $0.05. ### POST /api/extract Structured data extraction. Fetches a URL and returns data matching a caller-supplied schema. Request body: - `url` (string, valid HTTP(S) URL, m

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