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EXTERNAL

Ethereum Onchain Data

Current Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 t…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Ethereum Onchain Data

Current Ethereum gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 t…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

eu-verify

Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag,…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

OP Mainnet Onchain Data

ERC-20 allowance on OP Mainnet: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the s…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Polygon PoS Onchain Data

ERC-20 allowance on Polygon PoS: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

Scrapling x402 Data Store

Polymarket odds for an event: up to 10 markets matching a keyword with YES probability %, 1h/24h/7d odds change, volume and liquidity. Example: q=bitcoin, q=election, …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

WebberSites x402 Data API

Email verification for outreach and CRM agents: syntax validation, MX lookup with implicit-MX fallback, disposable-domain detection, role-account and free-provider fla…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

WickedAPI Trading Data API

Polymarket prediction markets with live probabilities: question, per-outcome probability, 24h and total volume, liquidity, best bid/ask, one-day price change and end d…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

Apiguru Amazon Data API

Live Amazon offer and inventory data for up to 10 ASINs: every active offer with seller, price, shipping and condition, which one holds the buy box, and optionally the…

APIx402

Listing info 80/100

0.0045 USDC / call (eip155:8453); 4500 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 4500 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 4500 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114)Indexed
EXTERNAL

P0 x402 Market Index

Use when an agent needs the top x402 services tagged 'data'. Returns Highest-demand x402 services tagged 'data': ranked by 30-day unique paying wallets, with calls, pr…

APIx402

Listing info 80/100

0.008 USDC / call (eip155:8453); 8000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 8000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 8000 atomic units of 0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E (eip155:43114); 8000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 8000 atomic units of 0xcebA9300f2b948710d2653dD7B07f33A8B32118C (eip155:42220); 8000 atomic units of 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 (eip155:42161); 8000 atomic units of 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 (eip155:1); 10 atomic units of SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-token (stacks:1)Indexed
EXTERNAL

Crypto Market Data

Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date …

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Paxie.Matrix Data API

ETH-quoted Uniswap v4 and v3 pools opened on Robinhood Chain in the last 1-24 hours, youngest first, with token, age, last price, ETH liquidity, last swap time, 60-min…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed

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