# EruditePay Blockchain Intelligence API — Full Reference > Pay-per-call blockchain analytics for AI agents and developers. 352 endpoints across Base, Tron, and cross-chain. Payment via x402 protocol using USDC (Base) or USDT (Tron). No API keys required — pay with crypto, get data instantly. ## Quick Start for AI Agents 1. Call any endpoint without payment — receive HTTP 402 with payment details 2. Parse the 402 body: { paymentRequirements: { payTo, maxAmountRequired, asset, network } } 3. Sign and submit payment header X-Payment 4. Re-call the endpoint with X-Payment header — receive data ## Discovery Endpoints (Free, No Payment Required) - GET /.well-known/x402 — Full endpoint catalog with pricing (JSON) - GET /.well-known/agent-card.json — A2A agent card (protocolVersion 0.3.0) - GET /.well-known/mcp.json — MCP server descriptor - GET /.well-known/acp.json — ACP manifest - GET /.well-known/ap2.json — AP2 manifest - GET /.well-known/bazaar.json — Coinbase Bazaar registration - GET /openapi.json — OpenAPI 3.1.0 spec (352 paths) - GET /llms.txt — LLM discovery summary - GET /llms-full.txt — This file - GET /stats/intel — Live service stats (free) - GET /health — Health check (free) ## Payment Details - Protocol: x402 (see https://x402.org) - Supported networks: eip155:8453 (Base), tron:0x2b6653dc (Tron mainnet) - Base USDC contract: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 - payTo (Base): 0x6961b88476a9b89C4ed97A4aF4D190754d5e70A1 - Tron USDT contract: TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t - payTo (Tron): TSevuRZFjpckeMSSDhQFoiAkPCkckuE5TP - Price range: $0.03–$0.10 per call ## Bundles (Multi-Endpoint Passes) - POST /bundle/purchase/data — Gas + forecast data bundle ($0.10, valid 60s) - POST /bundle/purchase/all — All Intel Engine endpoints ($0.50, valid 60s) - GET /v1/bundles — List all available bundles ## Endpoint Categories & Pricing ### Intel Engine - GET /v1/intel/token — Token enrichment with risk score ($0.08) - GET /v1/intel/gas — Multi-chain gas prices ($0.03) - GET /v1/intel/gas/forecast — Gas price forecast with ML ($0.05) - GET /v1/intel/wallet — Wallet intelligence score ($0.10) ### Base Chain (eip155:8453) - Token prices, whale wallets, DeFi yields — $0.03–$0.10 per call - NFT analytics, MEV detection, liquidity pools — $0.03–$0.10 per call - Wallet analytics, AML screening — $0.03–$0.10 per call ### Tron Chain - TRC20 tokens, energy/bandwidth markets — $0.03–$0.10 per call - Stablecoin flows, whale tracking — $0.03–$0.10 per call ### Cross-Chain Verification - Bitcoin, XRP, Kaspa transaction verification — $0.03–$0.10 per call ### Market Data - Token unlocks, sentiment, arbitrage — $0.03–$0.10 per call ## MCP Integration Server: https://bridge.eruditepay.com/.well-known/mcp.json 168 tools available. Install via MCP client pointing to the above descriptor. ## Links - Service: https://bridge.eruditepay.com - Discovery: https://bridge.eruditepay.com/.well-known/x402 - OpenAPI: https://bridge.eruditepay.com/openapi.json - Stats: https://bridge.eruditepay.com/stats/intel