-
A service that converts RSS, RDF, and Atom feeds into a consistent format.
developer-tools
-
Deploid Enrich provides work email enrichment for AI agents, using native USDC on the Base blockchain for pay-per-result settlement without subscriptions.
ai-and-agents
-
An API endpoint that summarizes text up to 50,000 characters into brief, detailed, or bulleted formats using Claude, requiring payment via the x402 protocol.
productivity
-
Provides an API that parses job posting text into structured JSON data.
developer-tools
-
An API endpoint that translates text up to 20,000 characters using Claude, charging a per-request fee via the x402 protocol.
developer-tools
-
This pay-per-request API allows developers to generate and edit images using Gemini models with payments made on the Base mainnet.
developer-tools
-
A service that verifies Israeli supplier invoices and provides business intelligence for AI agents to determine payment decisions.
ai-and-agents
-
A service that monitors the discoverability, tool contracts, and payment compatibility of APIs and MCP servers for AI agents.
ai-and-agents
-
An API endpoint that validates data strings like IBANs, credit card numbers, and UUIDs against structural formats and checksums for a fee per request.
developer-tools
-
APEX IBIS provides research verification APIs for AI agents, including citation verification and evidence extraction, using a pay-per-request model via USDC.
ai-and-agents
-
A heuristic-based API that analyzes URL strings for structural phishing signals and typosquatting patterns for a per-request fee.
developer-tools
-
A paid API endpoint that evaluates untrusted text for potential prompt-injection attempts and returns a structured risk assessment.
ai-and-agents
-
A pay-per-use utility that allows AI agents to schedule a single future HTTPS callback using USDC payments without requiring an account or subscription.
developer-tools
-
A social and gaming environment designed specifically for AI agents to participate in simulated experiences, games, and public chat using USDC on the Base network.
ai-and-agents
-
A security layer for autonomous agents that provides machine-readable risk scores and prompt injection verification via a pay-per-request model on the Base Sepolia testnet.
ai-and-agents
-
The API provides property due diligence data, including flood zones, tax entities, and zoning context, for US property addresses.
data-and-analytics
-
A settlement bridge that enables AI agents to pay for API calls using USDC via Coinbase CDP.
ai-and-agents
-
An API endpoint that validates email syntax, checks for live MX records, and identifies disposable email addresses for a fee per request.
developer-tools
-
This API provides payment security for autonomous agents by verifying transaction details before a payment is executed.
ai-and-agents
-
A paid API endpoint that converts numeric values between various units of measurement across several categories using the x402 payment protocol.
developer-tools
-
A paid API endpoint that performs currency conversions using live exchange rates and accepts payments via the x402 protocol.
finance-and-crypto
-
An API providing on-chain data for EVM addresses including balance, transaction count, and contract status for a per-request fee.
finance-and-crypto
-
This API resolves Ethereum Name Service names to addresses and performs reverse lookups for a per-request fee.
finance-and-crypto
-
A paid API endpoint that compares live gas prices and USD transfer costs across various EVM-compatible blockchain networks.
finance-and-crypto
-
An API service that provides risk assessment and execution reports for cryptocurrency wallets and transactions across multiple EVM chains.
developer-tools
-
Link Lens provides an API to convert public URLs into structured data including metadata and readable text.
ai-and-agents
-
ax1-new.vercel.appagency
A startup launchpad and research firm providing capital, distribution support, and market analysis for founders building onchain consumer products and agentic infrastructure.
ai-and-agents
-
This service converts PDFs, JavaScript-rendered pages, and HTML into Markdown for AI agents using a blockchain-based payment mechanism.
ai-and-agents
-
A paid API endpoint that identifies the ISO 639-1 language code and confidence level of provided text using Claude.
developer-tools
-
An API endpoint that uses Claude to analyze text for sentiment, emotion, and confidence scores at a cost of one cent per request.
developer-tools
-
A machine-native risk verification service for AI agents that assesses prompts for injection, contradictions, and unsupported claims using per-request payments on the Base Mainnet.
ai-and-agents
-
A service that allows users to upload agent-generated artifacts to receive a durable public URL via USDC payment.
ai-and-agents
-
This machine-to-machine market data service provides Hyperliquid perpetual market information for automated agents using the x402 payment protocol on the Base Sepolia testnet.
developer-tools
-
TrustFetch provides API endpoints for prompt-injection scanning and markdown webpage fetching for AI agents using x402 USDC micropayments.
ai-and-agents
-
An API providing telemetry and utility endpoints for AI agents including logistics, environmental, and product data paid for with USDC via the x402 protocol.
developer-tools
-
A service that performs risk checks on x402 endpoints to verify reachability, pricing, and safety for AI agents.
ai-and-agents
-
A marketplace of bounded machine-readable services and manual analysis tools including copy review and data cleanup paid via USDC on the Base network.
ai-and-agents
-
A fan-made parody service that provides answers to questions via an API based on the Magic Conch from SpongeBob.
other
-
AgentProof offers an API that validates, repairs, and scores structured API responses for AI agents.
ai-and-agents
-
A pay-per-call API that provides security verdicts on blockchain transactions and token metadata for AI agents.
ai-and-agents
-
A service providing Japanese public data via pay-per-call APIs using the x402 protocol.
data-and-analytics
-
An API that evaluates whether an x402 endpoint is worth paying for by an AI agent.
ai-and-agents
-
A service providing cross-source search and claim corroboration across 18 data sources via USDC micropayments.
ai-and-agents
-
This API provides real-time, forecast, and historical weather data for Seoul via USDC payments on the Base Mainnet.
data-and-analytics
-
An API that provides compact, verifiable web context and citations for autonomous agents.
ai-and-agents
-
This service provides multi-chain wallet intelligence and OFAC sanctions screening across seven blockchains via HTTP endpoints or an MCP server.
finance-and-crypto
-
An API service that enables autonomous AI agents to perform paid webhook and API executions using x402 payments.
ai-and-agents
-
An HTTP endpoint that provides a software download link for a keyboard remapping utility upon receipt of a 0.001 USDC payment on the Base network.
developer-tools
-
An API providing market data and machine learning trading forecasts for AI agents using the x402 payment protocol on the Base network.
finance-and-crypto
-
A pay-per-use HTTP endpoint that generates captioned meme images upon receiving a USDC payment on the Base mainnet.
developer-tools
-
A paid API endpoint on the Base mainnet that provides access to horror stories for a fee in USDC.
developer-tools
-
An HTTP endpoint that provides a daily curated word and definition in exchange for a 0.001 USDC payment on the Base mainnet.
developer-tools
-
A pay-per-use API that provides JSON data about upcoming 2026 car models, including specifications and estimated pricing.
data-and-analytics
-
A pay-per-call HTTP API that converts weight and mass between various units using the x402 protocol on the Base network.
developer-tools
-
An API endpoint that provides a lighthearted roast for a 0.001 USDC payment on the Base mainnet.
other
-
A pay-per-use API on the Base mainnet that returns a riddle and its answer upon receiving a USDC payment.
developer-tools
-
A pay-per-call API that provides random jokes in JSON format upon payment in USDC on the Base network.
developer-tools
-
A pay-per-call API that converts time between IANA time zones using USDC on the Base network.
developer-tools
-
A pay-per-use HTTP endpoint that provides a download link for Broken Key Remapper software upon payment of 0.001 USDC on the Base mainnet.
developer-tools
-
An API service that provides URL redirect tracing, HTTP header analysis, and sitemap extraction with pay-per-call pricing in USDC.
developer-tools
-
A service providing hourly news briefings in JSON, MCP, and e-ink friendly formats for AI agents and low-power displays.
ai-and-agents
-
A background service providing on-chain intelligence and memory for AI agents and cryptocurrency users with paid and public API endpoints.
ai-and-agents
-
An HTTP endpoint that returns a useless fact upon receipt of a 0.001 USDC payment on the Base mainnet.
developer-tools
-
An API endpoint on the Base network that provides a random fact in exchange for a small USDC payment.
developer-tools
-
A paid API endpoint for rolling dice with a customizable number of faces using USDC on the Base network.
developer-tools
-
A pay-per-use API endpoint that returns life advice upon payment of USDC on the Base mainnet.
ai-and-agents
-
A pay-per-use HTTP endpoint that returns a fortune after receiving a 0.001 USDC payment on Base mainnet via x402.
developer-tools
-
A tool that provides plain-language explanations of smart contract approvals and wallet permissions using AI analysis and live security data.
finance-and-crypto
-
An API and MCP server that provides social listening and research intelligence for AI agents.
ai-and-agents
-
MuseFM Playbook is a platform for AI agents to exchange cryptographically signed skills, featuring a free library and a paid tier for data feeds using the x402 payment protocol.
ai-and-agents
-
An API service providing consultation, diagnostic, and verification endpoints for AI agents using Base USDC.
ai-and-agents
-
A tool that provides a PASS, WARN, or FAIL verdict on the 402 challenge of an x402 endpoint.
developer-tools
-
An API that checks for abandonment in WordPress, npm, and PyPI packages by reading live registry data.
developer-tools
-
An API service for screening individuals and businesses against federal healthcare and government exclusion lists like HHS-OIG LEIE and SAM.gov.
health
-
A decentralized finance market intelligence API that utilizes HTTP 402 payment challenges for on-chain data access via USDC on the Base network.
finance-and-crypto
-
A service for purchasing Sepolia and Hoodi testnet ETH using USDC via an x402-compatible API.
developer-tools
-
This site provides a suite of pay-per-call API tools for AI agents, including chat completions, web reading, email verification, and financial market data.
developer-tools
-
This site provides a trust and payment safety API for autonomous agents to verify endpoints and check counterparty reputation before transactions.
ai-and-agents
-
This site provides an API for retrieving live USDC lending APY data on the Base network.
finance-and-crypto
-
Trust402 provides a radar and procurement service for x402 resources, offering API endpoints for price comparison, risk detection, and policy-controlled payments.
ai-and-agents
-
An API service for resolving Japanese company data and verifying invoice numbers using x402 payments.
developer-tools
-
An API providing real-time, pay-as-you-go on-chain data and bot-scanning signals for DeFi protocols like Morpho and PoolTogether on various blockchain networks.
developer-tools
-
An API providing web scraping and developer utilities such as SEC filings and business registry lookups for AI agents.
ai-and-agents
-
The service provides API tools for AI agents to perform website origin checks, lockfile security scans, and site hygiene audits using USDC payments.
ai-and-agents
-
A marketplace for purchasing AI answer credits, brand audits, and various pay-per-call API endpoints for AI agents.
ai-and-agents
-
An API providing real-time on-chain data such as gas prices, ERC-20 details, and transaction status for AI agents across multiple blockchain networks.
finance-and-crypto
-
A diagnostic tool for testing and debugging x402 payment flows on HTTP or MCP endpoints for AI agents.
developer-tools
-
A pay-per-call chess API providing Stockfish evaluations, opening data, and Lichess user profiles via x402 or MPP payment methods.
developer-tools
-
A suite of pay-per-call oracles providing real-time data on regulatory changes, software dependencies, and federal actions for AI agents via the x402 protocol.
ai-and-agents
-
An API providing real-time grocery price comparisons and basket optimization across different retailers using local shelf data.
commerce
-
An agent-native data marketplace offering on-chain reads, DeFi yields, and security audits paid via the x402 protocol on the Base network.
developer-tools
-
A search and validation service for the x402 agent economy that indexes resources and provides live endpoint conformance checks via paid API calls.
developer-tools
-
A manufacturing and telemetry console for a trends wholesale API that includes request testing and performance metrics.
developer-tools
-
A dashboard for monitoring ENSO events and simulating their historical impact on commodities and foreign exchange markets.
finance-and-crypto
-
An API providing macro, rates, FX, crypto, DeFi, and prediction market data for AI agents via pay-per-call USDC payments on Base.
finance-and-crypto
-
An API and MCP tool providing Ichimoku Cloud technical analysis signals for cryptocurrency trading, designed for pay-per-call use by AI agents.
finance-and-crypto
-
A machine-payable API providing normalized public disaster alert data and funding signals, settled in USDC via the x402 protocol.
data-and-analytics
-
An API for AI agents to convert webpages and company domains into structured JSON data with per-call payments via the x402 protocol on the Base network.
developer-tools
-
An AI agent on the Base mainnet that provides real-time DeFi risk signals and treasury data via micropayments.
finance-and-crypto
-
A pay-per-call API providing crypto and web3 data for AI agents.
finance-and-crypto
Verified sites — page 18
2537 sites that came back “listed” from an agent-discoverability check. The check is what is paid for; this listing is a free bonus — it is earned by passing, never bought, and a site that fails pays the same and is not listed. Categories and descriptions are ours. Each badge carries its own check date — a listing is dated, not permanent.