"Information about WhatsApp Business API" matching MCP servers:

Free DEX aggregator API that returns executable swap calldata across 46 EVM chains. No API key required. Single GET request returns ready-to-sign transactions for any token pair.

Bitcoin data for AI agents. Pay-per-query via x402 micropayments. No API keys. No subscriptions. No tokens.

55+ pay-per-call tools for AI agents over MCP: live telemetry, blockchain/on-chain checks, environmental, transit, finance, and network utilities. No API key or signup — agents pay per request with x402 USDC micropayments (Base and Solana).

Eight crypto and DeFi data tools for AI agents: prices, gas, one ParaSwap route quote, GoPlus token security and top-holder samples, DefiLlama yields, Hyperliquid/dYdX funding, and observed wallet balances. Inspect prices free; pay 0.001–0.008 USDC per call on Base through x402. No API key or subscription.

Non-custodial crypto swaps for AI agents: Solana (Jupiter) + 7 EVM chains (KyberSwap), 1288+ assets, cross-chain routing, priority-fee oracle, Hyperliquid perps. Returns unsigned transactions — your wallet signs, no API key, no KYC. Hosted at https://swaptitan.net/mcp

Enables agents to access live DeFi, social intelligence, risk, and API documentation tools with a caller-supplied API key.

MCP server for cross-chain bridging, enabling AI agents to find routes, estimate costs, check risks, execute transfers, and track status across blockchains.

43 x402-enabled API tools — DeFi, wallet security, AI/ML, developer tools, SEO. Pay-per-call USDC on Base via x402 protocol.

An MCP server that enables LLMs to query DAOs, proposals, and voting data from Tally's blockchain governance API across multiple networks.

Enables AI assistants to query blockchain chain data, including chain details, RPC endpoints, and chain relationships, through a Model Context Protocol server.

MCP server for decoding and inspecting x402 payment headers and requests. Remote endpoint: https://lumenworks-x402-decoder.onrender.com/mcp

Provides counterparty risk checks for any EVM address, returning malicious-history flags, tiered risk scoring, and plain-language summaries via x402 payment.

A Model Context Protocol server implementation that provides endpoints for wallet-based authentication, cluster management, and name registration services.

Allows LLM agents and MCP clients to analyze blockchain data including wallet balances, token information, and transaction history across EVM and Solana chains through the Dune API.

Enables scanning Solidity smart contracts for 13 vulnerability classes using pattern-based analysis; provides full audit, quick scan, gas analysis, and detector catalog through MCP tools.

Verified records on 60 niche fashion subcultures (years, key brands, iconic items, where to buy, price range, and a WARNING on what each must not be confused with). Catalog and a sample record are free; full records cost $0.01 each, paid over x402 in USDC on Base.

Enables interaction with the Bitpanda cryptocurrency exchange through their Developer API. Exposes Bitpanda trading and account management endpoints as MCP tools via a FastAPI wrapper.

Real-time crypto, stock, and prediction-market data for agents — prices, indicators, funding rates, DeFi TVL, macro calendar, and an AI momentum score. Configure one Base wallet key and it just works. No signup, no dashboard, no subscription.

An MCP server that fetches on-chain blockchain data via the Ankr API, allowing LLMs to retrieve token balances for wallet addresses on specific networks.

Enables interaction with the Morpho GraphQL API, providing tools for accessing market data, vaults, positions, and transactions through a Model Context Protocol (MCP) server.

Enables AI agents to discover and call hundreds of x402-priced APIs on Base, including token safety checks, prediction-market odds, web/network/market data, and utilities, with a free cross-bazaar discovery search.

Provides access to NFTGo's Developer API for retrieving NFT collection details, asset information, market data, wallet information, and search capabilities on the Ethereum blockchain.

MCP server providing 50+ crypto, market intelligence, and AI inference endpoints with x402 pay-per-request micropayments on Base.

Enables AI agents to query Base on-chain data such as balances, token metadata, transactions, gas, names, prices, transfers, and contract details through paid MCP tools using x402 payments.

Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402.

MCP server providing real-time crypto prices (Chainlink + Binance), Polymarket prediction market data, deep web research, and JS-rendered web scraping. All services available via x402 Solana micropayments.

conversion image to webp/avif with 402 payement required, 0.001 and 0.0005 after 1000 requete.

Enables AI agents to access crypto prices, DeFi yields, Polymarket data, Base chain info, and security scans with pay-per-call via USDC on Base mainnet.

A Node.js Express server that provides access to CoinGecko's cryptocurrency data through a comprehensive API interface, supporting both free and Pro APIs with automatic fallback functionality.

DeFi execution layer for AI agents - swap, zap in/out of LP, route across AMMs on 5 EVM chains.

Enables interaction with blockchain networks through the Rosetta API standard for Internet Computer Protocol (ICP). Supports operations like account balance queries, transaction construction and submission, block retrieval, and network status checks.

Provides AI agents with 71 tools to query Etherscan's blockchain analytics via the Etherscan API, with no authentication required.

Enables AI agents to access 48 real-time crypto data tools including prices, DeFi, meme tokens, gas, sentiment, Solana, and agent commerce, with post-paid billing via Solana USDC.

MCP server for defining, validating, deploying, and operating Shodai machine-readable agreements with EIP-712 permit preparation, signed participant inputs, state reads, and input history.

Enables cross-chain quote retrieval, chain/token information, and tool discovery via the Delora API.

Provides curated, meaningful information about Voi ecosystem protocols, applications, assets, and names, enabling identification and search through natural language.

An MCP server that provides a semantic layer for the Voi ecosystem, translating raw blockchain data into human-readable information about protocols, applications, and assets. It enables users to identify contract roles, resolve enVoi names, and explore curated registry data for ecosystem services like HumbleSwap and Nautilus.

Enables AI agents and quantitative traders to query block-accurate DeFi telemetry across Morpho Blue, Ethena, Fluid, Sky, Euler V2, and Pendle V2, including stablecoin carry/arbitrage radar and pre-trade risk simulation. It provides atomic Multicall3 reads, post-trade utilization and APY slippage checks, cap headroom decoding, and Pendle TWAP/logit-curve analysis through REST and MCP-compatible endpoints.

Enables querying blockchain data from Ethereum and Solana via GetBlock.io API, including wallet balances, transactions, gas prices, and account information.

Enables Claude to access DeFi data via DefiLlama API, including protocol TVL, chain TVL, token prices, and stablecoin information.