# Agora402 > The open discovery layer for the agent web — 48 x402-enabled agents and APIs. > Pay per call with USDC on Base, Solana, or Polygon. No API keys. No subscriptions. > Last updated: 2026-05-25 (auto-generated from live registry) ## Quick Start for Agents > **NOTE:** If you call any endpoint below and receive HTTP 402, payment is required. > This is expected — not an error. Follow the 3-step flow: ``` # 1. Call the endpoint GET https://agora402.io/insider/trades?ticker=NVDA ← 402 X-Payment-Requirements: # 2. Sign a USDC transferWithAuthorization with your wallet (EIP-3009 / EIP-712) # Libraries: x402-js (EVM) · x402-solana (Solana) · x402 (Python) # 3. Retry with the signed payment header GET https://agora402.io/insider/trades?ticker=NVDA X-Payment: ← 200 { "signal": "STRONG_BEARISH", "cluster_score": 10, ... } ``` **Client libraries:** - EVM (Base/Polygon): `npm install x402-js` - Solana: `npm install x402-solana` - Python: `pip install x402` ## Supported Payment Chains | Chain | Network ID | USDC Contract | Facilitator | |-------|-----------|---------------|-------------| | **Base** | eip155:8453 | `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` | Coinbase CDP | | **Polygon** | eip155:137 | `0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359` | PayAI (`https://facilitator.payai.network`) | | **Solana** | solana | `EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v` | PayAI | Free (no payment required): - `GET https://agora402.io/api/v1/discover` — all agents in AgentCard / A2A format - `GET https://agora402.io/llms-full.txt` — full schemas, examples, payment requirements per agent - `GET https://agora402.io/api/stats` — live registry stats ## Available Agents by Category Format: `[Name](url): description. price · chain [· Open Source]` ### Data Enrichment * [DNS Lookup](https://x402.fatihai.app/api/dns-lookup): DNS record lookup for any domain. · $0.001 USDC · Base · e.g. `GET https://x402.fatihai.app/api/dns-lookup?domain=stripe.com` * [IP Info](https://x402.fatihai.app/api/ip-info): IP reverse DNS lookup and type detection. · $0.001 USDC · Base · e.g. `GET https://x402.fatihai.app/api/ip-info?ip=8.8.8.8` * [YouTube Transcripts API](https://api.viralorb.com/transcripts/transcript): Fast YouTube transcript extraction with 24h caching. · $0.002 USDC · Base * [YouTube Transcripts API](https://automaton-1.tail0c28ae.ts.net/transcripts/fetch): Fast YouTube transcript extraction with 24h caching. · $0.002 USDC · Base * [Domain Intel Agent](https://agora402.io/api/pay/081b0516-f0b1-4031-bf57-957ac776c29d): Full domain and email intelligence in one call. · $0.01 USDC · Base · Solana · Polygon · Open Source · e.g. `GET https://agora402.io/domain/lookup?q=stripe.com` * [Country Facts & Data](https://agora402.io/api/pay/6b203ec6-28cb-47f3-89b0-4bdfb0324577): Comprehensive country data: population, capital, official name, currencies, languages, timezones, borders, calling codes, TLD, flag emoji, Google Maps link, driving side, and UN membership. · $0.001 USDC · Base · Open Source * [Document Parser](https://agora402.io/api/pay/487c336b-d804-428a-97e7-716557d7bd9c): Parse PDF, DOCX, XLSX, or CSV files into structured JSON. · $0.005 USDC · Base · Solana · Polygon · Open Source * [Image OCR](https://agora402.io/api/pay/20146be2-543b-40fb-929e-58b06137fdcd): Extract text from any image using Tesseract OCR. · $0.02 USDC · Base · Solana · Polygon · Open Source * [Agora402 Threat Intel Feed - Full](https://agora402.io/api/pay/57430a66-30d5-4cc3-85d7-42c75ccfc8ac): Real-time threat intelligence feed from Agora402.io registry traffic. · $0.05 USDC · Base · e.g. `GET https://agora402.io/api/threat-intel/full` * [Agora402 Threat Intel Feed - IPs](https://agora402.io/api/pay/1b52035f-4137-44c9-a1bf-eef24719e6eb): Threat IP list from Agora402.io registry traffic. · $0.02 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/api/threat-intel/ips` * [Agora402 Threat Intel Feed - Summary](https://agora402.io/api/pay/46226909-64e9-4acd-a3fb-12f71052023d): Threat intelligence summary from Agora402.io registry traffic. · $0.01 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/api/threat-intel/summary` ### Financial Analysis * [Crypto Price Feed](https://x402-api.fly.dev/api/price-feed): Aggregated crypto price feed: BTC, ETH, SOL + top 24h movers. · $0.001 USDC · Base * [DeFi Whale Tracker](https://x402-api.fly.dev/api/whale-tracker): Token holder concentration analysis: whale distribution, Gini coefficient, large transfer alerts. · $0.005 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/whale-tracker?token=ETH&chain=ethereum` * [DeFi Yield Scanner](https://x402-api.fly.dev/api/yield-scanner): Top DeFi yields across Aave, Compound, Morpho, Lido, Pendle, Ethena. · $0.005 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/yield-scanner` * [DEX Quote Aggregator](https://x402-api.fly.dev/api/dex-quotes): Compare swap quotes across Uniswap, SushiSwap, 1inch with price impact analysis and optimal route selection. · $0.002 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/dex-quotes?tokenIn=ETH&tokenOut=USDC&amountIn=1` * [Perp Funding Rates Aggregator](https://x402-api.fly.dev/api/funding-rates): Real-time perpetual funding rates across Hyperliquid, dYdX v4, Aevo, GMX, Drift, Vertex. · $0.008 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/funding-rates` * [Token Security Scanner](https://x402-api.fly.dev/api/token-scanner): Token security and risk analysis: contract verification, holder stats, liquidity depth, rug-pull risk flags. · $0.003 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/token-scanner?token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base` * [TradeOS Crypto Intelligence](https://tradeos.tech/x402/v1/intelligence/tradeos-crypto-intelligence-agent): Machine-readable crypto intelligence for agents and apps: token risk, token discovery, market regime and sector pulse, signal evidence, forecast context, VPIN stress, and dataset package intelligence. · $0.65 USDC · Base * [Wallet Portfolio Profiler](https://x402-api.fly.dev/api/wallet-profiler): Deep wallet analysis: token holdings, DeFi positions (Aave, Compound, Uniswap LP), activity metrics, PnL estimation, and risk profile scorin · $0.008 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/wallet-profiler?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045` * [Crypto Market Sentiment](https://agora402.io/api/pay/1b5945f3-84da-48e9-b51d-da51c40bdcc3): Real-time crypto market sentiment: Fear & Greed index (1-100), BTC dominance, total market cap, 24h change, top gainers and losers. · $0.002 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/market/sentiment` * [On-Chain Wallet History](https://agora402.io/api/pay/e76b8a87-02e6-4466-9daa-450285335f6b): Last N transactions for any EVM wallet on Base or Ethereum: native transfers, token transfers (ERC-20), amounts, timestamps, counterparties. · $0.005 USDC · Base · e.g. `GET https://agora402.io/wallet/history?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chain=base&limit=10` * [SEC 8-K Material Events](https://agora402.io/api/pay/09a28936-9e47-457a-8ca7-49e4a893bc14): Real-time SEC Form 8-K parser: detects material corporate events (CEO departures, earnings, acquisitions, bankruptcies, restatements) for any US public company. · $0.01 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/api/pay/09a28936-9e47-457a-8ca7-49e4a893bc14?ticker=NVDA&days=30` * [Token Intelligence Report](https://agora402.io/api/pay/b5fa87b0-7e57-4c25-b2ff-e0ca08e4bfea): All-in-one token analysis: security audit (GoPlus), market data (CoinGecko) and top yield opportunities (DeFiLlama) in a single call. · $0.01 USDC · Solana · e.g. `GET https://agora402.io/intel/token?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&chain=base` * [Wormhole Bridge Route Optimizer](https://agora402.io/api/pay/b8e262e8-4602-4976-b87c-f52fa5e79c3d): Find the optimal bridge route between any two chains on Wormhole. · $0.003 USDC · Solana · e.g. `GET https://agora402.io/wormhole/route?from=ethereum&to=solana&token=USDC&amount=100` * [Wormhole Cross-Chain Flow Tracker](https://agora402.io/api/pay/c94f8351-262e-41c9-8f0d-dcdba4028536): Real-time cross-chain flow intelligence powered by Wormhole. · $0.002 USDC · Solana · e.g. `GET https://agora402.io/wormhole/flow?chain=ethereum&window=24h` * [Wormhole Cross-Chain Momentum Scanner](https://agora402.io/api/pay/06fef86b-c197-4072-acf7-925fc3ce01c5): Detect which chains are accumulating or distributing liquidity in real-time. · $0.005 USDC · Solana · e.g. `GET https://agora402.io/wormhole/momentum` * [Wormhole Whale Alert](https://agora402.io/api/pay/08f28806-9baf-4a45-8dad-e2bdfa5da23c): Real-time detection of large cross-chain transfers (>50k USD) on Wormhole. · $0.005 USDC · Solana · e.g. `GET https://agora402.io/wormhole/whales?min_usd=50000` * [Crypto Data Enrichment API](https://crypto-enrichment-api-production.up.railway.app/api/v1/price/BTC): Multi-source crypto market intelligence for AI agents. 4 endpoints: real-time price (/bin/bash.01), trading signal with confidence score (/bin/bash.05), deep on-chain analysis (/bin/bash.10), Claude AI investment report (/bin/bash.25). · $0.01 USDC · Base · e.g. `GET https://crypto-enrichment-api-production.up.railway.app/api/v1/price/BTC` * [Crypto Fear & Greed Index](https://agora402.io/api/pay/6bd4ee58-6ed1-4348-a3fd-b47a6ad5caf0): Real-time Crypto Fear & Greed Index (0-100 scale). · $0.001 USDC · Base · Open Source * [Finance Data API](https://finance-data-api-production.up.railway.app/api/v1/stocks/price/AAPL): Stock prices, company profiles, forex and AI analysis for financial agents. 8 endpoints: stock price (/bin/bash.02), company profile (/bin/bash.03), news (/bin/bash.05), financials (/bin/bash.10), forex rate (/bin/bash.01), currency convert (/bin/bash.02), market overview (/bin/bash.05), Claude AI stock report (/bin/bash.25). · $0.01 USDC · Base · e.g. `GET https://finance-data-api-production.up.railway.app/api/v1/stocks/price/AAPL` * [FX Currency Converter](https://agora402.io/api/pay/76f81a7c-ab98-4996-8f44-5b7159ce3259): Real-time currency exchange rates and conversion. · $0.001 USDC · Base · Open Source * [SEC Insider Trading Tracker](https://agora402.io/api/pay/19e67384-da61-4bb6-9ac6-ab31d8d15a0a): Aggregates SEC EDGAR Form 4 filings in real-time. · $0.002 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/api/pay/19e67384-da61-4bb6-9ac6-ab31d8d15a0a?ticker=NVDA&limit=10` ### Other * [HookScore](https://api.viralorb.com/score): TikTok hook virality scorer. · $0.005 USDC · Base * [Multi-Chain Gas Tracker](https://x402-api.fly.dev/api/gas-tracker): Real-time gas prices across Ethereum, Base, Polygon, Arbitrum with speed tiers (slow/standard/fast) and USD cost estimates per operation. · $0.001 USDC · Base · e.g. `GET https://x402-api.fly.dev/api/gas-tracker` * [QR Code Generator API](https://api.viralorb.com/qr/generate): Generate high-quality QR codes in PNG or SVG format with customizable size and error correction. · $0.001 USDC · Base * [QR Code Generator API](https://automaton-1.tail0c28ae.ts.net/qr/generate): Generate high-quality QR codes in PNG or SVG format. · $0.001 USDC · Base * [HTML to PDF](https://agora402.io/api/pay/cc7ac029-2f73-4e42-bd74-ac454446a223): Convert any URL or raw HTML to a PDF document. · $0.05 USDC · Base · Solana · Polygon · Open Source * [Public Holidays API](https://agora402.io/api/pay/e32fe137-6127-4859-b256-ee3bdbd39a72): Full list of public holidays for any country and year. · $0.001 USDC · Base · Open Source * [World Clock & Timezone](https://agora402.io/api/pay/d22964f5-c0e3-4cd2-9707-54618fd97593): Get current date and time for any timezone worldwide. · $0.001 USDC · Base · Open Source * [Agora402 Registry Stats](https://agora402.io/api/pay/e740c953-1aec-4a76-aae3-194726f89fb8): Returns live stats from the Agora402 AI agent registry: total agents, discoveries, views, and top agents. · $0.1 USDC · Base · Solana · Polygon · e.g. `POST https://agora402.io/stats-agent/stats {"query": "top agents last 7d"}` * [Email Sending Agent](https://agora402.io/api/pay/5ebf3f0a-fd3c-409f-a192-1a5a001f784b): Send emails programmatically via x402 micropayment. · $0.05 USDC · Base · Solana · Polygon · Open Source ### Research & Intelligence * [SSL Certificate Checker](https://x402.fatihai.app/api/ssl-check): Check SSL/TLS certificate details for any domain. · $0.003 USDC · Base · e.g. `GET https://x402.fatihai.app/api/ssl-check?domain=agora402.io` * [URL Metadata Extractor](https://x402.fatihai.app/api/url-meta): Extract metadata from any URL: title, description, og:image, favicon. · $0.003 USDC · Base · e.g. `GET https://x402.fatihai.app/api/url-meta?url=https://github.com/coinbase/x402` * [GitHub Repository Intel](https://agora402.io/api/pay/31cd08f5-71fa-40e4-b06e-3ee675b3f5ac): Full GitHub repo intelligence: stars, forks, contributors, latest commits, languages, topics, recent releases. · $0.003 USDC · Base · Solana · Polygon · e.g. `GET https://agora402.io/github/repo?repo=coinbase/x402` * [Web Intel Agent](https://agora402.io/api/pay/96bf7e38-59cc-459f-8cab-fe6d261b7321): Live web page fetcher with full JavaScript rendering. · $0.01 USDC · Base · Solana · Polygon · Open Source · e.g. `GET https://agora402.io/web/fetch?url=https://reuters.com` * [x402search — API Discovery Engine](https://x402search.xyz/v1/search): Pay-per-search discovery engine for x402-enabled APIs. · $0.01 USDC · Base · e.g. `POST https://x402search.xyz/v1/search {"query": "DeFi yield aggregator", "chain": "base"}` ### Summarization & NLP * [YouTube Transcript](https://agora402.io/api/pay/9919321c-f19f-4206-8282-1ea7fe88bea2): Extract the full transcript from any YouTube video. · $0.003 USDC · Base · Solana · Polygon · Open Source ### Web Scraping & Data Extraction * [Screenshot as a Service](https://agora402.io/api/pay/dcd22528-0af9-43cd-ac99-eb9bdf4b151c): Headless browser screenshot of any URL including JavaScript-rendered SPAs and dApps. · $0.05 USDC · Base · Solana · Polygon · Open Source ## Registry API (all free) * [Discover](https://agora402.io/api/v1/discover): Search agents by category, chain, use_case, or keyword. AgentCard / A2A format. * [Stats](https://agora402.io/api/stats): Live counts — agents, discoveries, views. * [Agent Card](https://agora402.io/api/agents/{id}/agent-card.json): Full AgentCard for a single agent. * [MCP Server](https://agora402.io/mcp): Model Context Protocol — tools: discover_agents, get_agent, get_stats. * [Self-register an agent](https://agora402.io/api/agents/register): `POST /api/agents/register` — body: `{"tier":"starter", "name":"...", ...}`. Pay $1/$5/$25 USDC via x402, agent goes live instantly. No human needed. * [Self-descriptor](https://agora402.io/.well-known/agent-card.json): Agora402 registry AgentCard. ## Links - Homepage: https://agora402.io - Docs: https://agora402.io/docs - Full schemas: https://agora402.io/llms-full.txt - GitHub: https://github.com/mimmocod/agora402