x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #261 | zaref zaref.dev South African reference data API | Data | Base | $0.10 | 20 | 9 |
| #262 | MetaLend Rebalancing API metalend.tech API for managing cross-protocol cross-chain DeFi rebalancing operations exposing: <ul <li<bAuth</b – challenge/verify flow for JWT issuance.</li <li<bProject… | Chain infra | Base | $0.01 | 10 | 7 |
| #263 | Gas Price x402-echo-service.onrender.com Utility API for agents on Base. Cryptographic digests, UUIDs, base64, server time, and live onchain reads: ERC-20 and native balances, token metadata, block… | Data | Base | $0.071 | 22 | 8 |
| #264 | AgentIndex Discover agentindex.world Pay-per-call tools for AI agents: web search + content, documents, live market data, and multi-chain wallet/gas reads. Mainnet test from $0.000001 USDC on… | AI | Base | $0.4577 | 342 | 12 |
| #265 | Zerion API zerion.io Interpreted onchain wallet data for apps and agents: portfolios, token and DeFi positions, PnL, labeled transaction history, NFTs, token prices and swap… | AI | Base, Solana | $0.57 | 57 | 10 |
| #266 | 402oracle 402oracle.com 402oracle: machine-payable verification layer. Signed attestations for AI agents, paid per call in USDC via x402. | Data | Base | $1.89 | 28 | 5 |
| #267 | DYOE Agent Tools API dyoeway.org Pay-per-call trust, due-diligence, commerce, travel & data tools for AI agents — settled in USDC on Base via the x402 protocol (HTTP 402). Includes a… | AI | Base | $10.60 | 902 | 3 |
| #268 | All Markets Snapshot base.46-225-15-169.sslip.io Provides an all-markets snapshot. | Data | Base | $0.07 | 5 | 5 |
| #269 | Agent Vending agent-vending-production.up.railway.app Pay-per-call machine utilities for autonomous agents. | AI | Base | $1.93 | 48 | 4 |
| #270 | ASCII Art x402 API ascii-x402-production.up.railway.app Convert an uploaded image into terminal-friendly ASCII art. The operation costs $0.001 USDC on Base mainnet and uses x402 protocol version 2. | Media | Base | $0.024 | 22 | 6 |
| #271 | CF Exclusion Check cf-exclusion-check.cf-exclusion-check.workers.dev Pay-per-call screening against the HHS-OIG LEIE and SAM.gov exclusion lists. | Other | Base | $9.26 | 61 | 4 |
| #272 | alpha402x alpha402x.com Provides paid SEC filing bundles containing filing HTML, rendered financial statements, and accession manifests. | Data | Base | $7.35 | 39 | 7 |
| #273 | x402-seller x402-seller-m8nx.onrender.com Calibrated token-survival probabilities for autonomous trading agents. Keyless by design: no signup, no API key — pay per call in USDC (x402). /vet and… | Data | Base | $0.14 | 10 | 4 |
| #274 | TrustAgent trust-agent.io Judgment engine over ERC-8004. Answers whether an address, agent or DeFi contract is safe to transact with — whether you are about to pay it or about to… | AI | Base | $0.2001 | 40 | 7 |
| #275 | AVentTech x402 Data Services aventtech.com Machine-payable data APIs. Pay per call with USDC on Base via the x402 protocol (HTTP 402). No API keys. Operator: AVentTech P.C. (aventtech.com). | Data | Base | $0.785 | 52 | 10 |
| #276 | AgentStatus API agentstatus.tech Heartbeat and cron monitoring for AI agents. Built for autonomous systems — no human signup required. | AI | Base | $0.005 | 5 | 3 |
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