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Agent-ready blockchain and web3

849 verified blockchain and web3 sites, 236 of them transactable — every one probed live, with the date it was checked. Figures generated 27 Sep 2026 07:19 UTC

Checks passed across the 910 probed hosts: Markdown negotiation 766 · Markdown twin at a predictable URL 511 · llms.txt 674 · API catalog 122 · MCP server card answers 582.

✓Headless Oracle headlessoracle.com
Headless Oracle provides Ed25519-signed market-state attestations for AI agents across 28 global exchanges with cryptographic verification and fail-closed semantics.
also in AI agents
✓The Spawn thespawn.io
The Spawn is a directory indexing over 800,000 ERC-8004 AI agents across 28 blockchains with tools for discovery, quality checks, and API access.
also in digital products
✓Twelve Data twelvedata.com
Twelve Data provides financial APIs offering real-time, historical, and end-of-day stock, forex, cryptocurrency, and fundamental market data.
also in search and data APIs
✓Ethereal Labs www.ethereallabs.io
Ethereal Labs is a London-based Web3 development studio specializing in smart contracts, dApps, token and NFT launches, and smart contract audits.
also in software development services
✓VIA Labs www.getvia.xyz
VIA Labs provides B2A commerce infrastructure enabling brands and merchants to sell directly to AI buyers using MCP, micropayments, and on-chain trust signals.
also in AI agents
✓Os melhores sites www.inpoup.com
INPOUP Noticias is an informational portal featuring news and articles about top shops, blogs, and online business topics in Portugal.
also in news and current affairs
✓Laso Finance API agents.laso.finance
Laso Finance provides a payment API for AI agents to spend cryptocurrency on prepaid cards, gift cards, debit cards, and US bank accounts using USDC on Base or Solana.
also in payments
✓LetsExchange api-doc.letsexchange.io
LetsExchange API provides programmatic access to crypto exchange functionality including centralized and decentralized swaps.
also in trading and investing platforms
✓Bip39 Phrase Wordlist of 2048 words bip39-phrase.com
Provides the complete BIP39 English mnemonic seed phrase wordlist of 2048 words with downloadable PDF and XLS formats and a free phrase generator.
also in productivity and documents software
✓黑猫信息科技 blackcatinformatics.cn
黑猫信息科技 provides high-end IT and management consulting for startups, specializing in cloud computing, security, AI, bioinformatics, and cryptography with over 30 years experience.
also in IT services and cybersecurity
✓Yara's Money Blog blog.yara.cash
Yara is a payment app enabling fast money transfers worldwide using traditional and cryptocurrency methods.
also in payments
✓Fhenix Documentation cofhe-docs.fhenix.zone
Fhenix Documentation provides resources to build privacy-preserving smart contracts using Fully Homomorphic Encryption.
also in software development services
✓Condor condor.hummingbot.org
Condor is an open source platform for deploying and managing fleets of AI trading agents with multi-agent orchestration and deterministic trade execution.
also in AI agents
✓ScreenshotKit dacruzdev.mintlify.site +1 more host on this domain
ScreenshotKit is a Unity Editor tool for capturing screenshots, GIFs, image sequences, video, and compositing passes from one window.
also in productivity and documents software
✓Denaria denaria.finance +1 more host on this domain
Denaria is a mobile-first onchain perpetual DEX allowing trading with up to 15x leverage and gasless transactions via a PWA app.
also in trading and investing platforms
✓MultiHopper dev-docs.multihopper.com
MultiHopper is a protocol for scheduled, multi-hop token transfers enabling programmable payment pipelines executed trustlessly on-chain.
also in programming languages and frameworks
✓Bitwage Partner API developer.bitwage.com
Bitwage Partner API enables integration of payroll and payment processing with KYC and KYB verification and crypto payment acceptance.
also in payments
✓Gaian API developer.gaian.network
Gaian API v2 provides a single signed gateway for user management, KYC, and crypto-to-fiat payments across multiple markets with sandbox and production environments.
also in payments
✓Finance District Developer Hub developers.fd.xyz
Finance District Developer Hub provides documentation and tools for AI-native wallets and payment gateways enabling financial transactions with stablecoins.
also in developer platforms
✓Orchestra Solutions developers.orchestrasolutions.com
Orchestra Solutions provides documentation for a payment orchestration platform enabling integration with multiple payment providers via API or library.
also in payments
✓PCI Booking developers.pcibooking.net
PCI Booking is a tokenization platform that captures, stores, and processes payment cards without PCI DSS scope on your servers.
also in payments
✓Mint Starter Kit devs.elementpay.net
Element Pay Developer Docs provide API details for on-ramping and off-ramping between fiat and crypto with webhooks and environment URLs.
also in payments
✓Digital Surge digitalsurge.com.au
Digital Surge is an Australian crypto exchange offering buying, selling, and trading of over 400 cryptocurrencies with instant PayID deposits.
also in trading and investing platforms
✓Documentation docs.10101.art
Documentation for 10101.art explaining the process of linking ownership tokens to real art pieces via blockchain.
also in arts and culture
✓3x Change API docs.3xchange.co
Documentation for 3x Change API enabling PIX to cryptocurrency conversion with wallet creation, payin generation, and bank account registration.
also in payments