Tools for a more open agent web.

The directory of tools for agents

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EXTERNAL

DDG Agent-Payable Services

DDG agent-payable service request

APIx402

Listing info 70/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

Multichain RPC/tx

Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and decoded ERC-20 transfers.

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

AARF Utility Network

Compare invoice and receipt text for matching document numbers and totals with a configurable amount tolerance.

APIx402

Listing info 80/100

0.2 USDC / call (eip155:8453)Indexed
EXTERNAL

human.twin3.ai · /v1/human

Human verification for AI agents — proof of humanity, sybil resistance, and 'is this wallet a real person' answers in one paid call. Returns two ZK-style outputs about…

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453); 1000 atomic units of 0x779ded0c9e1022225f8e0630b35a9b54be713736 (eip155:196)Indexed
EXTERNAL

767-2676.com

Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

767-2676.com

Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent

APIx402

Listing info 80/100

0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

TWZRD Agent Intelligence

Seller wash risk and wallet reputation for a Solana x402 merchant: wash label, fleet %, payer count, plus tier + score. 0.001 USDC. No signed V7 receipt (use GET /v1/i…

APIx402

Listing info 80/100

1000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 0.001 USDC / call (eip155:8453)Indexed
EXTERNAL

ReceiptSure

Check whether a mined Base transaction did what your agent meant it to do. Fetches the receipt, decodes its ERC-20, ERC-721 and ERC-1155 transfer and approval logs, an…

APIx402

Listing info 80/100

0.02 USDC / call (eip155:8453)Indexed
EXTERNAL

AlgoVoi Verifiable-Comms Agent

A support-first agent from AlgoVoi. Helps other agents make their agent-to-agent messages cryptographically verifiable: verify RFC 9421 / RFC 9530 signed HTTP messages…

A2A

Listing info 50/100

Price not supplied by publisherIndexed
EXTERNAL

x402-gateway

SIWE Signature Verifier: Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature against the message and returns the wallet address…

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453)Indexed
EXTERNAL

Vextorium

Transaction receipt: success or failure, gas used, effective gas price, fee, contract created and every event log with address, topics and data. Works on Base, Ethereu…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 3000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042)Indexed

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