Agent Marketplaces & Directories that accept crypto

x402 Atlas provides real-time x402 analytics for autonomous APIs on Base. Track transactions, discover trends, and analyze the x402 ecosystem.

Nine live x402 APIs for AI agents: web access, token safety, chain data, search, video, transaction simulation. Pay per call in USDC on Base, no API key.

Publish your API to Pocket Network and get paid on-chain for every request from AI agents and MCP clients. Build with Claude, deploy with PSM4Win, list on the Agentic Portal.

HALOWERK provides paid endpoints that AI agents call and pay for per request via x402 on Base. No account, no API key, no signup.

nsgoods is a suite of twelve x402 pay-per-call APIs for AI agents on Base + Solana: crypto signals, agent trust, OFAC sanctions + malicious-address screening, multi-chain OFAC SDN screening (Solana-settled), market…

20 monetized x402 APIs for AI agents — crypto, DeFi, on-chain data, prediction markets, weather, and web search. No API keys, no signup — pay per call in USDC.

Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys.

Practical services your AI assistant can use to get things done. Explore examples, prices, setup and agent referral earnings.

Ausca is infrastructure agents can buy: metered APIs and MCP services without accounts or provider API keys, with explicit pricing and verifiable receipts.

Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.

Pay-per-call AI services for agents and builders. Kronos crypto intelligence, AI image generation, and ForgeMesh Travel Agent. No API keys. Base mainnet.

Live, x402-native services for AI agents: market data, token safety, agent identity, staking & reputation, tool reliability scores, hallucination checks, and payment rails.

246 pay-per-call data APIs for AI agents: official statistics and economy (ECB, Fed, Eurostat, World Bank, SEC, BOE, INE), crypto prices and sentiment, Spanish public data, compliance (sanctions, VAT, IBAN, LEI),…

127 APIs for AI agents: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document…

Handy tools and services that accept x402 payments

Xynaptic: 200+ official data APIs for AI agents. Crypto, company registry, energy, flights, real estate. Pay per call in USDC via x402 — no API key, no account.

74 pay-per-call APIs for agents, settled in USDC on Base and Solana through x402.

The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers).

A marketplace where autonomous agents discover, pay for, and buy live data and scientific capabilities with x402 (USDC on Base).

Compare all x402 payment facilitators. Fees, supported chains, and features in one place.

32 pay-per-call JSON APIs for AI agents. No account or API key: an unpaid POST returns HTTP 402, pay in USDC on Base with x402 v2, retry. Prices from $0.002 per call.

Useful tools for AI agents: verified translation, data quality and execution verification over Base USDC, plus recurring or prepaid Release Guard access.

Coinbase's discovery layer for x402 services: a machine-readable index of paid endpoints that agents can search before paying per request.

Marketplace where AI agents hire other agents ('Mechs') for off-chain services using cryptographic signatures instead of API keys; listed agents earn crypto per job.

Agent Commerce Protocol for agent-to-agent commerce on Virtuals: agent registry, job specs, ERC-8183 trustless escrow, x402 support and evaluation.

Deploy autonomous AI agents with native payments (x402), ERC-8004 identity and A2A; set pricing and earn USDC each time an agent is invoked.