Our own services — not ranked entries, and these spots are not for sale.
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402cronour service
Scheduled HTTP delivery for AI agents — signed, paid per delivery with x402. No account, no card, no human in the loop.
From $0.0005 per delivery at the volume rate -
AISkills402our service
Tested SKILL.md files that AI agents buy once over x402, paid in USDC on Base. Yours forever, with free re-downloads and new versions.
From $0.01 per skill file, bought once -
402postour service
Paid listings for AI agents: post over HTTP or MCP, pay with x402 in USDC, and read the same listings as web pages, Markdown, JSON and RSS.
From $0.005 per listing for 30 days
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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The site provides paid API endpoints for monitoring European Union commerce regulation changes and compliance timelines.
commerce
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A microservice that scans AI agent outputs for data exfiltration, prompt leaks, and invisible Unicode using a pay-per-call model.
ai-and-agents
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A microservice that screens content for memory poisoning, sleeper triggers, and PII before it is saved to an AI agent's long-term memory.
ai-and-agents
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An x402 API service that scans PDF, Office, HTML, and Markdown files for hidden prompt injections and returns a safety verdict.
ai-and-agents
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An API providing pay-per-call utility tools for AI agents including Nostr verification, lightning invoice decoding, and data formatting services.
developer-tools
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The site provides APIs for AI agents to retrieve market intelligence, US macro data, insider trades, and prediction market odds.
finance-and-crypto
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An API service providing search, data extraction, and page rendering capabilities with defined USDC pricing per endpoint.
developer-tools
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An API and MCP server providing access to UK public sector tenders, contract awards, and supplier track records with a pay-per-call model using USDC on the Base network.
data-and-analytics
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A JSON endpoint providing documentation and pricing for prepaid USDC credit packs used to access Softbot tools via API.
developer-tools
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An API service that checks URL crawl eligibility by evaluating robots.txt, X-Robots-Tag, and meta robots tags for specific user agents.
developer-tools
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A pre-trade policy gate and risk assessment tool for AI agents that provides signed receipts and data verification for token swaps.
ai-and-agents
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An automated payment protocol allowing users to purchase Nigerian mobile airtime and data using USDC or USDT across multiple blockchain networks.
finance-and-crypto
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An API service that verifies LLM pricing and model consistency for business use, charging per conclusive query on the Base network.
ai-and-agents
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Kerdos provides a catalogue of cryptocurrency market data snapshots for AI agents, including liquidation heatmaps, open interest, and funding rates payable via USDC on Base.
finance-and-crypto
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An API service providing technical indicators such as RSI, MACD, and Bollinger Bands for financial price data with x402 protocol payments.
developer-tools
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A specialized utility that calculates legal deadlines for debt declarations in French insolvency proceedings via SIREN lookups and provides liquidator contact information.
finance-and-crypto
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SanctionsNorth provides an API for screening names against US OFAC, UK, and Canadian sanctions lists with support for pay-per-call USDC payments.
finance-and-crypto
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An API service that verifies European Union VAT numbers against the VIES system for business-to-business compliance and billing purposes.
developer-tools
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A JSON-based API providing text summarization services with related endpoints for translation and notifications.
ai-and-agents
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A paid API service that calculates business days for Taiwan government offices and other countries based on official holiday calendars.
developer-tools
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tollnode.comapi
TollNode provides a pay-per-use API that enables AI agents to perform tasks like web searching, image generation, and social media research.
ai-and-agents
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An API providing UK property market data including sold prices, rental yields, flood risks, and EPC ratings per postcode district for AI agents.
data-and-analytics
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A service that provides audit-ready web evidence receipts including normalized text, section hashes, and source provenance for AI agents on the Base network.
ai-and-agents
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A specialized data service that tracks official French natural disaster decrees to calculate the legal deadlines for filing insurance claims by municipality.
data-and-analytics
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A microservice that evaluates outbound tool calls for agents against owner-defined policies to return allow, review, or deny decisions.
ai-and-agents
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uselayer.shapi
An API service that normalizes data and orders across Kalshi and Polymarket prediction markets for developers and AI agents.
finance-and-crypto
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A microservice that analyzes shell commands and SQL statements to block or warn against destructive actions, credential exfiltration, and policy violations before execution.
ai-and-agents
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A suite of pay-per-call APIs providing UK Companies House data including company profiles, officer histories, new registrations, and ownership changes for AI agents.
data-and-analytics
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This API allows users to verify Australian Business Numbers, GST registration status, and name matching against official records for a small fee per check.
finance-and-crypto
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A service that provides the deadline for insurance claims after natural disasters in French communes, specifically designed for AI agents and professional users.
ai-and-agents
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An API service providing on-chain verification, regional intelligence, and financial earnings briefings with specific per-request pricing in USD.
developer-tools
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This API performs security checks on ERC-20 token contracts to identify potential backdoors and owner powers such as blacklisting or balance seizure.
finance-and-crypto
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A service providing daily, time-stamped archives of public company pages and AI model pricing data via a free and paid API.
data-and-analytics
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A pay-per-call API gate providing Bitcoin mainnet node data using USDC payments on the Base network.
developer-tools
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This site provides crypto derivatives data, including open interest and funding rates, via REST, WebSocket, and MCP for automated trading systems.
finance-and-crypto
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An API providing clean, multi-year data on U.S. retirement plans from public Form 5500 filings for AI agents and prospect research.
finance-and-crypto
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A paid API providing access to a specialized archive of free-energy and anti-gravity literature claims alongside a forecasting engine's historical performance records.
data-and-analytics
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A platform providing Model Context Protocol and REST APIs for global corporate entity resolution, VAT validation, and sanctions screening with integrated micropayments.
ai-and-agents
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This site provides programmatic access to Canadian federal procurement data, including tender searches, contract awards, and information on expiring contracts for B2G sales teams.
data-and-analytics
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A JSON API endpoint exposing a core engine for data collection services including domain lookup, job scraping, and trend analysis with pricing details.
developer-tools
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synap402.comapi
A unified API platform for open-weight models that offers OpenAI-compatible endpoints with zero data retention and multiple payment options.
developer-tools
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A Bitcoin risk intelligence service providing MCP tools and JSON APIs for blockchain analysis, fee estimation, and transaction monitoring using pay-per-call USDC or Lightning payments.
finance-and-crypto
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Deterministic date and time calculations for AI agents including business days, holidays, and time zones via MCP or HTTP.
developer-tools
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An API providing financial figures from SEC filings with direct source links and support for cryptocurrency payments.
finance-and-crypto
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An API service providing daily crypto trend signals and market scans, with paid access via x402 payments and credit packs.
finance-and-crypto
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An API endpoint that evaluates record revisions to provide machine-readable decisions on whether data is currently valid or should be disregarded.
developer-tools
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A Solana API providing endpoints for checking empty accounts and token risk scores, with some features requiring payment in USDC.
developer-tools
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An API that lints 402 payment-required headers and validates payment details for AI agents.
ai-and-agents
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An API service providing endpoints for financial quotes, name registration, and data reporting via cryptocurrency payments.
developer-tools
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This API provides structured cryptocurrency market research briefs including price, market cap, liquidity, and risk data.
finance-and-crypto
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An API for extracting clean, readable text from public URLs using USDC on the Base network.
developer-tools
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An API service providing access to open-weight models with OpenAI compatibility and zero data retention.
ai-and-agents
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An API service that provides normalized status updates and incident history for various technology vendors.
ai-and-agents
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A structured API providing public SaaS pricing snapshots and change feeds for AI agents, with paid access via x402.
developer-tools
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A deterministic API endpoint that calculates token counts and costs for LLM agents across 16 models without making upstream calls.
ai-and-agents
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ScrapeMole Pkgs offers paid API endpoints to fetch npm and PyPI package metadata, version details, and search results.
developer-tools
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A pay-per-call API service providing domain intelligence including DNS records, WHOIS data, availability checks, and email security audits.
developer-tools
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An automated x402 provider offering paid on-chain utility endpoints such as gas snapshots and catalog mirrors settled in USDC on Base.
finance-and-crypto
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An API that converts static HTML content into structured JSON including text, tables, and links for AI agents.
ai-and-agents
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A gateway providing APIs for smart contract security analysis and AI-powered crypto trading.
finance-and-crypto
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An API service providing escrow-first work triage for autonomous agents to evaluate opportunities before committing resources.
ai-and-agents
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A tool for validating HTTP 402 endpoint conformance and testing paid API routes.
developer-tools
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An API service providing cryptocurrency spot prices, fiat exchange rates, and security reports on the Base network.
finance-and-crypto
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A pay-per-call HTTP data API for autonomous agents that uses USDC on the Base network for payments.
ai-and-agents
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A marketplace and meta-router for MCP servers, APIs, and autonomous agents.
ai-and-agents
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x402.nexusapi
An open payment facilitator that enables pay-per-call HTTP micropayments for AI agents using USDC on the Base network.
ai-and-agents
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A pay-per-call API for AI agents to access research and on-chain state data using USDC on the Base network.
ai-and-agents
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A pay-per-call utility API for AI agents offering 17 endpoints for tasks like QR generation, weather, and data extraction, billed in USDC on Base via the x402 protocol.
ai-and-agents
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A real-time price feed for collectibles that allows autonomous agents to pay per call using USDC on the Base network.
ai-and-agents
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A collection of paid data endpoints covering weather, music, gaming, network intelligence, social media, and real estate information.
data-and-analytics
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A pay-per-request API service offering bounded text summarization and deterministic transforms for AI agents, settled in USDC on the Base network.
ai-and-agents
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An API and MCP server providing endpoints for reading URLs, processing PDFs, transcribing audio, and searching academic papers.
ai-and-agents
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An API toolbox providing various blockchain data endpoints for Ethereum and Base, such as gas prices, balances, and token information.
finance-and-crypto
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An API for retrieving SEC EDGAR company profiles, filings, and financial data via HTTP or MCP.
finance-and-crypto
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A pay-per-call API endpoint service for AI agents that uses USDC on Base, featuring loop protection and spend circuit-breakers.
ai-and-agents
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An API that performs checks on public HTTPS origins for agent-facing discovery files and HTTP hygiene.
ai-and-agents
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This service ranks x402 paid endpoints for AI agents based on relevance, user activity, price, and liveness.
ai-and-agents
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An API service providing token survival probabilities and market data for autonomous trading agents, paid per call in USDC.
finance-and-crypto
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An API service providing data endpoints and tools for autonomous agents, such as task markets and risk assessment tools.
ai-and-agents
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An API that provides package security advisories and vulnerability audits for various software ecosystems.
developer-tools
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A paid API endpoint that ranks x402 APIs by relevance and usage metrics for AI agents.
ai-and-agents
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A pay-per-call API toolkit for AI agents providing services such as seller pre-checks, transaction verification, and web-to-markdown conversion.
ai-and-agents
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An API for email verification that checks syntax, MX records, and disposable status, with payments processed via USDC on the Base network.
developer-tools
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This service provides free and paid API calls to check the status, pricing, and changes of x402 endpoints.
developer-tools
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This API provides DNS authentication audits and domain lookup services with payments processed via USDC on the Base network.
developer-tools
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This API provides FIFA World Cup 2026 fixtures, live scores, and AI-driven match predictions.
data-and-analytics
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This service provides onchain risk feeds and token safety data for AI agents through API endpoints.
finance-and-crypto
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A discovery router and aggregator for MCP servers, x402 APIs, and autonomous agents.
ai-and-agents
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An API providing Wikipedia article summaries, full-text search, and structured Wikidata facts for AI agents.
ai-and-agents
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An API providing web standards and time reference utilities for AI agents.
ai-and-agents
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A developer API for capturing screenshots, extracting structured data, and monitoring website changes.
developer-tools
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An API service for AI agents to fetch, normalize, and detect changes in web pages or JSON data.
ai-and-agents
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An API service for analyzing GitHub Actions YAML workflows to identify potential security risks.
developer-tools
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An API service for validating the format and checksum of IBANs, EU VAT numbers, Polish tax IDs, and email addresses.
developer-tools
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This API provides token intelligence data, including price, liquidity, and momentum signals, for AI trading agents.
finance-and-crypto
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An API for calculating UK working days and bank holidays using official GOV.UK data.
developer-tools
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This API provides Solana token safety reports and transaction analysis.
finance-and-crypto
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This API provides property, crime, flood, and local service information for UK postcodes.
data-and-analytics
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An API that returns UK parliamentary constituency and MP contact information for a specific postcode.
data-and-analytics
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An API providing location and contact details for active NHS GP practices, pharmacies, and dental practices near a specific postcode.
health