Tools for a more open agent web.

The directory of tools for agents

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EXTERNAL

Arbitrum One Onchain Data

Identify what lives at a Arbitrum One address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155),…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

DeFi TVL & Protocol Data

DeFi TVL for protocols and chains. Returns total value locked per DeFi protocol or per chain via DefiLlama, with category, supported chains, and TVL change over time, …

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

Edge Agents AI

Data Vintage Revision Risk. Evaluates the quality, disagreement, transmission, composition or verification of Edge intelligence itself. Purpose: Increase the defensibi…

APIx402

Listing info 80/100

0.25 USDC / call (eip155:8453); 250000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 250000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 250000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137)Indexed
EXTERNAL

eu-verify

One merged call instead of two: latest-version metadata from the official npm registry plus last-week download count from api.npmjs.org (both live). Query: ?pkg=react …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Kronos Crypto Data & Forecasts

Stablecoin market cap, top-10 breakdown by dominance, and 7d/30d supply flows (mint/burn) via DeFiLlama. Shows total stablecoin market cap, per-coin dominance %, and n…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

Mearef - Mid-East reference data

Tax-ID / VAT-number validation for Middle Eastern countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit alg…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453)Indexed
EXTERNAL

OP Mainnet Onchain Data

Identify what lives at a OP Mainnet address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), n…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Polygon PoS Onchain Data

Identify what lives at a Polygon PoS address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Apify API

Start the "Tweet Scraper|$0.25/1K Tweets | Pay-Per Result | No Rate Limits" Apify actor (kaitoeasyapi/twitter-x-data-tweet-scraper-pay-per-result-cheapest). Only $0.25…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

Lightning AI Visibility Data

AI Visibility - Hotel Chains - Southern Cone (AR, PY, UY, CL) 2026 (Visibilidad IA - Cadenas hoteleras - Cono Sur (AR, PY, UY, CL) 2026). Full study in one call: quest…

APIx402

Listing info 80/100

0.99 USDC / call (eip155:8453)Indexed
EXTERNAL

asistent-crypto.vercel.app · /api/x402/data/funding-oi

Perpetual funding rate and open interest for up to 10 coins in a single call, across Binance, Bybit, OKX and Hyperliquid. Answers 'where is the leverage right now?' fo…

APIx402

Listing info 80/100

0.04 USDC / call (eip155:8453)Indexed
EXTERNAL

datastand.dev · /api/data/npm-vuln-digest

Newest npm security advisories as JSON: severity, CVSS 3.x and 4.0 scores and vectors, EPSS exploit odds, CWEs, affected packages, vulnerable ranges, first patched ver…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed

Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works