Score colors: 90–100 Excellent · 70–89 Good · 50–69 Needs work · 0–49 Needs urgent work. The score counts what AI crawlers run into when they read the site without JavaScript. Every listed site is re-checked for free every 30 days; a paid check re-scores it within the hour.
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A marketplace of public data endpoints and calculators for AI agents that uses a pay-per-call model without requiring accounts or API keys.
ai-and-agents
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Grokzilla offers 41 pay-per-call JSON microservices and APIs designed for AI agents, using x402 micropayments on Base and Stripe.
developer-tools
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hcrb.inapi
This service provides REST and MCP tools to compare order, payment, and delivery records to identify discrepancies and missing transaction evidence.
commerce
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Agent Mercantile provides a suite of machine-to-machine API endpoints for web scraping, blockchain portfolio snapshots, and DeFi lending rate data.
ai-and-agents
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An API providing South Korean cryptocurrency market data including Kimchi Premium rates, exchange prices, and sentiment analysis for AI agents.
finance-and-crypto
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Mekler AI provides a suite of pay-per-use tools and API endpoints for AI agents to perform tasks like web scraping, academic research, and data validation.
ai-and-agents
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A directory of 817 pay-per-call API endpoints for autonomous agents using USDC on the Base blockchain.
ai-and-agents
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An API providing cryptocurrency market context and token due diligence through a pay-per-request model.
finance-and-crypto
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An OpenAI-compatible chat API offering access to over 200 models with payment options in USDC on Base or Solana networks.
developer-tools
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An API providing OSINT data on AI provider health and x402 payment activity using a pay-per-call model.
ai-and-agents
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mart402.comapi
This site provides pay-per-call APIs for AI agents focusing on document parsing, Japanese statutory payroll calculations, and image data extraction using USDC on the Base network.
developer-tools
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Provides an API delivering market context and on-chain intelligence for financial agents.
finance-and-crypto
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An API providing structured data on Korean law, financial rates, apartment prices, export statistics, and corporate disclosures for AI agents.
finance-and-crypto
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An API service providing niche briefs, compliance checks, and marketplace policy validation for e-commerce sellers.
commerce
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A collection of pay-per-use API endpoints for AI agents to perform web scraping, OCR, document conversion, and table extraction using USDC on the Base network.
developer-tools
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Provides a Taifoon coordination layer API for registering agents, obtaining free API keys, posting demands, and managing agent interactions.
ai-and-agents
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A public mainnet API on the Base network providing audio transcription, speech synthesis, and large language model completion services.
ai-and-agents
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An API gateway providing paid access to DefiLlama data including decentralized finance total-value-locked, yields, token prices, and exchange volumes.
finance-and-crypto
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factline.devapi
An API and tool for checking suppliers, invoices, and payees against official records including company registers, VAT, and sanction lists.
finance-and-crypto
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A collection of pay-per-call utilities for AI agents providing JSON repair, DNS lookups, web intelligence, and company data validation using USDC on the Base network.
developer-tools
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A pay-per-call API providing LLM inference, EVM blockchain data retrieval, and MCP server tools via a unified endpoint structure.
ai-and-agents
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A suite of micro APIs for AI agents including crypto data, sentiment analysis, and web scraping with on-chain payments via the x402 protocol.
developer-tools
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A hash-chained key-value storage service on the Base network designed for persistent agent memory with pay-per-call pricing.
developer-tools
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agdata provides web data extraction, search, reviews, and transcript APIs for AI agents with per-call payments using stablecoins.
developer-tools
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Xynaptic offers paid, pay-per-request data endpoints for AI agents using the x402 protocol across various blockchain networks.
ai-and-agents
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A pay-per-call API service providing various utility tools for AI agents, including web reading, security scanning, and domain verification, using USDC payments.
ai-and-agents
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A machine-readable API gateway offering paid services for web scraping to markdown and SEC financial data retrieval via x402 payments.
developer-tools
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A paid API endpoint that performs structured evaluation of content using AI models to output boolean, choice, or score values based on provided schema and criteria.
ai-and-agents
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A keyless web search API for AI agents that returns structured JSON results from multiple engines, paid via x402 USDC on Base.
ai-and-agents
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A pay-per-call API providing job market and real estate data tools for AI agents, supporting various cryptocurrency payment networks without requiring signup or API keys.
developer-tools
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A pay-per-call API providing logistics, shipping, trade, and energy data tools for AI agents with support for various cryptocurrency payment networks.
developer-tools
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1gateway.devapi
1gateway provides an infrastructure that allows AI agents to purchase and access data and APIs on a per-call basis without requiring user signups or API keys.
ai-and-agents
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Offers paid API endpoints for auditing website readiness for AI agents and LLMs, with billing via x402 in USDC.
ai-and-agents
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A pay-per-call API service offering micro-utilities, live SOL spread data, and verification endpoints via x402 payments.
developer-tools
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An API providing agent-to-agent capabilities, OpenAPI documentation, and registries for MCP servers and data sources.
developer-tools
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This site provides pay-per-call API endpoints for retrieving product, pricing, and social media data from various e-commerce platforms and public sources.
ai-and-agents
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An API marketplace providing pay-per-call tools for AI agents, including web search, page scraping, PDF generation, and data extraction using USDC on Base for payments.
developer-tools
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A pay-per-call API hub for AI agents providing access to official government, business registry, and legal records across multiple jurisdictions.
data-and-analytics
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A pay-per-call geospatial API that processes GeoJSON and other spatial data using USDC payments over the x402 protocol without requiring accounts or keys.
developer-tools
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A collection of pay-per-call endpoints for AI agents providing web scraping, LLM inference, image generation, and data utility services via crypto payments.
developer-tools
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An API providing probabilistic market intelligence, stock trend classification history, and inference models designed for autonomous agents and financial research workflows.
finance-and-crypto
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This site provides an HTTP API and MCP server for AI agents to access SEC filings, financial data, and web content using pay-per-call USDC payments.
finance-and-crypto
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A pay-per-call API providing token safety assessments, honeypot detection, and rug pull risk analysis for EVM chains using USDC payments.
finance-and-crypto
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An x402 v2 API offering geocoding, satellite imagery, and location-risk intelligence for autonomous agents.
ai-and-agents
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A pay-per-call API providing security, threat intelligence, web search, and SEO data tools for AI agents using x402 payments.
developer-tools
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api.delx.aiapi
A status page for the Delx Agent Operations Protocol providing health metrics, version details, and links to commerce and OpenAPI catalogs.
ai-and-agents
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A DeFi infrastructure API gateway offering endpoints for AI inference, payments, swaps, oracles, and agent management using x402 and USDC.
finance-and-crypto
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An API farm providing French business data, residential-IP web scraping, and media transcription with pay-per-call crypto payments for AI agents.
developer-tools
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A literary and cultural ecosystem designed specifically for AI agents to consume content, practice philosophy, and interact with tools via API endpoints.
ai-and-agents
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An API providing pay-per-call data tools for AI agents including web search, research, and blockchain intelligence using the x402 payment protocol.
developer-tools
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An API service providing access to US address and place data, including public records and local government context, with endpoints for AI agents.
developer-tools
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A pay-per-request API service providing real-time public data from social media, e-commerce, and search platforms using USDC on Base.
developer-tools
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An API providing pay-per-call data services for AI agents, including Shopify store analysis, crypto safety checks, and web scraping tools using x402 payments.
developer-tools
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A pay-per-call API providing health care, drug, provider, and travel data tools for AI agents using x402 and various crypto networks.
health
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Machine-readable entry point providing discovery endpoints and payment instructions for Forest agent capabilities.
ai-and-agents
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A paid API providing DeFi and cryptocurrency market data including prices, yields, TVL, and stablecoin metrics sourced from DefiLlama.
finance-and-crypto
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serp402.comapi
A web service offering 126 data endpoints for search, maps, and commerce that agents can access by paying per call in USDC via x402 without API keys.
developer-tools
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An API providing web scraping, multi-engine search, and on-chain market data tools specifically designed for AI agents.
developer-tools
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A machine-payable API service offering various utility endpoints such as JSON validation, price checks, and chat functions via USDC payments on Base and Solana.
developer-tools
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A collection of pay-per-call web tools for agents offering page scraping, metadata extraction, media analysis, and blockchain data lookups via USDC on the Base network.
developer-tools
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A pre-payment firewall that provides machine-actionable decisions for AI agents to determine if they should pay a counterparty or buy a specific token.
ai-and-agents
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This site provides API endpoints for accessing European electricity market data, battery energy storage arbitrage calculations, and US company financial fundamentals.
data-and-analytics
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An API providing market event intelligence, trading data, and asset scores for autonomous trading agents.
finance-and-crypto
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An API providing pay-per-call data for AI agents across markets, health, and travel, settled in USDC without requiring an account or subscription.
developer-tools
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This site provides over 170 pay-per-call API tools for on-chain crypto data, DeFi metrics, and contract verification designed for AI agents.
finance-and-crypto
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An API providing real-time pricing, market analytics, and computer vision identification for sports and trading cards, featuring an autonomous payment protocol for AI agents.
commerce
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An API gateway providing pay-per-call access to over 140 AI models and data verification tools using cryptocurrency or local currency payments.
developer-tools
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This site provides API endpoints to access Google Trends data including interest by region, related queries, related topics, and search interest over time for SEO and keyword research.
marketing-and-seo
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A pay-per-call API offering SEO data, keyword research, domain rankings, and search engine results without requiring an account or subscription.
marketing-and-seo
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A marketplace of pay-per-call endpoints providing on-chain data, risk compliance, DeFi markets, and AI compute services for autonomous agents.
developer-tools
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This site provides a paid API for searching and monitoring Facebook and Instagram ads via keywords, advertisers, or specific pages on the Base and Solana networks.
marketing-and-seo
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corpusAI Cloud Pricing offers free price charts and a pay-per-request API covering historical cloud compute, GPU rental, and LLM token pricing data for AI agents.
ai-and-agents
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tanod.devapi
A collection of over 300 pay-per-call tools and API routes for AI agents focusing on security checks, document processing, and blockchain data.
ai-and-agents
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Vextorium provides 244 pay-per-call data endpoints for AI agents using x402 payments across crypto, financial, public, and compliance datasets.
ai-and-agents
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A payment proxy service on the AUBRAI mainnet that provides private transport verification and health status for its enclave-based infrastructure.
finance-and-crypto
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An API service providing various endpoints to fetch public data from X including community details, list members, search suggestions, and trending locations.
developer-tools
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A cryptographic oracle providing signed financial data designed for consumption by AI agents.
ai-and-agents
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agentsvc.ioapi
A directory of 127 machine-readable web services that AI agents can purchase on a per-call basis using USDC on multiple blockchain networks.
ai-and-agents
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A gateway for pay-per-call APIs that allows AI agents to pay for requests using USDC on the Base blockchain without accounts or keys.
developer-tools
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A collection of over 500 pay-per-call tools for AI agents covering crypto data, web scraping, PDF reading, and business information via HTTP or MCP.
developer-tools
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An API gateway providing over one thousand pay-per-call tools for AI agents including data retrieval, image generation, and compliance checks using crypto payments.
developer-tools
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A set of fifty-one API endpoints providing onchain intelligence, risk scoring, and market data for Solana-based trading agents and decentralized finance applications.
developer-tools
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ClawFetch provides a web intelligence API for AI agents with endpoints for rendering, structured extraction, document parsing, and multi-source research paid via USDC on Base.
ai-and-agents
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Losbeto provides a paid API offering numerous financial, market, and blockchain data endpoints with usage‑based pricing.
finance-and-crypto
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A catalog of 66 APIs callable over the x402 protocol, each linking to its OpenAPI specification and supporting USDC or OUSD payments.
developer-tools
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Provides a REST API offering 298 AI agent tools for web search, document reading, data lookup, and other capabilities, billed per call with a free trial.
ai-and-agents
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A keyless API service offering web search, scraping, data enrichment, and developer utility endpoints with per-request pricing via the x402 protocol.
developer-tools
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ScanPay provides pay-per-call HTTP 402 APIs for AI agents covering LLM chat, market data, crypto prices, and blockchain audits without requiring signups or API keys.
developer-tools
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An API providing Solidity smart-contract vulnerability detection using Slither static analysis for automated coding agents.
developer-tools
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An accountless service providing pay-per-use code execution in an isolated sandbox for software agents to receive output and exit codes.
developer-tools
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A service that provides verification verdicts for numerical and date-based claims, including citations to primary sources.
ai-and-agents
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A programmatic service that verifies numbers and dates against primary sources for AI agents using the MCP protocol and x402 payments.
ai-and-agents
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This page lists documentation and pricing for API endpoints that provide cryptocurrency funding rates and blockchain contract metadata.
finance-and-crypto
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A collection of web tools and APIs for agents to extract data, perform SEO and AEO audits, and convert HTML to Markdown.
ai-and-agents
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This site provides a programmatic interface for social media data, betting odds, lead generation, and web scraping with a pay-per-call pricing model.
developer-tools
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The site provides a list of API endpoints for agent verification, web extraction, and data processing.
ai-and-agents
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CarVector provides an API for vehicle specifications, images, recall history, and diagnostic trouble codes.
developer-tools
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An API for web extraction that provides content in Markdown, metadata, or structured JSON via pay-per-call USDC payments.
ai-and-agents
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An API for email verification that uses the x402 protocol for pay-per-call payments in USDC.
developer-tools
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An API providing personal finance intelligence endpoints for AI agents, covering topics such as retirement, debt, and taxes.
finance-and-crypto