x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #583 | Liquid Agent liquidagent.ai Buy & Invest in Tokenized Stocks On-Chain | AI | Base, Solana | $0.531 | 52 | 5 |
| #584 | Stumble API stumble.vimabrosta.com Watch-and-notify service for AI agents. Pay per watch via x402 (requirements arrive in the PAYMENT-REQUIRED header AND the 402 JSON body). Free endpoints are… | Data | Base, Solana | $0.55 | 9 | 4 |
| #588 | Agent Chain Kit built-with-productos-voo8.vercel.app Pay-per-call EVM utility API for AI agents and automation, payable in USDC on Base or Solana. | Chain infra | Base, Solana | $0.0015 | 2 | 2 |
| #595 | Base gas and transaction cost apexfaucet.xyz Token, pool, trade, wallet and exit-liquidity data for the X1 blockchain, sold per call over x402. Standard x402 clients pay USDC on Solana with a signed… | AI | Base, Solana | $3.71 | 262 | 5 |
| #602 | loophole tape htrlhl3y49.execute-api.us-east-2.amazonaws.com Live rug checks for new pump.fun memecoins on Solana (calibrated rug probability and graduation odds, holders, creator record, rug flags) and Robinhood Chain… | Chain infra | Base, Solana | $0.356 | 38 | 4 |
| #604 | offersignal.io offersignal.io Provides weekly signals about price, policy, and availability changes in the OfferSignal AI companion tool index. | AI | Base, Solana | $0.15 | 2 | 2 |
| #605 | 402Signal 402signal.com 402Signal checks the endpoint, price and recipient before your agent pays, on x402 and MPP, and returns a signed record verifiable offline. $0.003 on Base… | AI | Base, Solana | $0.835 | 269 | 4 |
| #606 | loophole tape loopholetape.com Live rug checks for new pump.fun memecoins on Solana (calibrated rug probability and graduation odds, holders, creator record, rug flags) and Robinhood Chain… | Chain infra | Base, Solana | $0.449 | 39 | 8 |
| #608 | Tollkit Extract tollkit-extract.fly.dev Pay-per-call tools for AI agents: web pages, PDFs and search; SEC filings, weather, airport delays, geocoding, IP and exchange rates; wallets and tokens on… | Media | Base, Solana | $2.53 | 108 | 8 |
| #612 | PolyNews Intelligence API polynews.news Real-time Polymarket + Kalshi prediction market intelligence for autonomous trading agents. Powered by Grok AI analysis, smart money detection, and… | Data | Base, Solana | $0.068 | 23 | 10 |
| #616 | api.govparse.io govparse.io Provides access to searchable U.S. government records, agency datasets, statistics, and analytics feeds. | Data | Base, Solana | $3.43 | 75 | 10 |
| #617 | aiworker-data aiworker.duckdns.org Deterministic-first data for agents, paid per call in USDC over x402 v2: DeFi yields, Base token and wallet cards, Polymarket odds and backtests, news, fact… | Chain infra | Base, Solana | $2.40 | 25 | 1 |
| #618 | Vextorium vextorium.com On-chain data (12 EVM chains, Solana, Tron, TON), DeFi, tokenized stocks, prediction markets, official economic statistics, web, data and developer tools. No… | AI | Base, Solana | $0.7935 | 141 | 3 |
| #619 | x402-hash-api x402-hash-api.vercel.app SHA-256 hash / sha256 / cryptographic hash for AI agents. Also HMAC, checksum helpers, JWT decode, PBKDF2, UUID. Pay-per-call USDC on Base + Solana via x402. | AI | Base, Solana | $2.51 | 10 | 5 |
| #634 | x402.alchemy.com x402.alchemy.com Paid API endpoints provide NFT, token, transaction, price, and blockchain data for Base and Ethereum addresses and contracts. | Utility | Base, Solana | $2.00 | 7 | 3 |
| #635 | MapleAI sol.mapleai.shop Pay-per-request API access via x402 on Solana mainnet. 4 GPT models, 7 image models, and Jev structured decisions; no accounts or client API keys. | AI | Solana | $0.1658 | 29 | 3 |
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