Marketplace
Available services
Browse APIs and content services on the marketplace. Pay with prepaid credits or per-request x402 (USDC).
208 services showing 187 external
AI Analyst
Structured AI analysis powered by Workers AI (Llama 3.1). Extract named entities, classify text into custom categories, analyze sentiment with aspect-level detail, or run custom analysis with your own instructions. Returns structured JSON, not free-form text.
AI Translator
Translate text between languages using Llama 3.1. Supports auto-detection of source language and translation to any target language.
Agent Security Policy API
Returns a machine-usable permission matrix, spend and egress guard, secret rules, audit schema, blocked-action tests, and Codex implementation prompt before AI/MCP agents receive tools, files, browser state, or wallet spend.
ApexScout Agent Commerce Diagnostics
Diagnose AWAL, AgentCash Router, Payment-Identifier, signed-offer, receipt, client-version, and Cloudflare x402 failures using a free preview/preflight or paid Failure Match ($0.005), Verified Fix Card ($0.01), and Edition Delta ($0.005). APIHub bills once; the full $0.10 Ledger is separately listed.
ApexScout Reliability Ledger
A privacy-safe agent-commerce reliability data product for x402 buyers and builders. It returns the current Reliability Ledger edition with aggregate compatibility patterns, failure signatures, and verified remediation guidance. APIHub handles buyer billing once; ApexScout does not add a second paywall or expose buyer-level data.
Base64 Tools
Encode and decode Base64 strings. Convert text to Base64 for safe transport in URLs, headers, and JSON payloads.
Code Sandbox
Execute JavaScript and TypeScript code in a secure, isolated sandboxed environment. No network access, no filesystem, pure computation. Ideal for agents that need to run calculations, transform data, test logic, or generate outputs programmatically.
Currency Exchange Rates
Real-time currency exchange rates for 150+ currencies. Get latest rates, convert between currency pairs, and access historical data. Powered by open exchange rate data.
GPT-5.5 x402 High-Value Agent Tools
GPT-5.5 x402 agent tools over Base USDC: OpenAI-compatible chat, wallet payment activation, revenue recovery, buyer-owned payment clients, MCP and Flowise config, wallet safety, and settlement diagnostics.
Hash Service
Compute SHA-256 and MD5 hashes of arbitrary text input. Useful for data integrity verification, checksums, and content fingerprinting.
JSON Formatter
Validate and pretty-print JSON strings. Check if a JSON string is valid and format it with configurable indentation.
Markdown to HTML
Convert Markdown text to HTML. Supports full CommonMark specification including headings, lists, code blocks, links, and more.
Password Generator
Generate cryptographically secure random passwords with configurable length and character sets. Includes entropy calculation.
Sentiment Analyzer
Analyze the sentiment of text as positive, negative, neutral, or mixed. Returns a confidence score and brief explanation. Powered by Llama 3.1.
Tate Programs x402 Surface Checks
Launch-readiness checks for x402, MPP, Pay.sh, A2A and agent-payment APIs. Triage a public URL, watch 402 Index provider health, or check an agent skill before install.
Text Classifier
Classify text into categories. Supports custom category lists or defaults to general topics (technology, business, science, health, etc.). Powered by Llama 3.1.
Text Summarizer
Summarize long-form text into concise summaries using Llama 3.1. Configurable maximum summary length. Powered by Cloudflare Workers AI.
Timestamp Converter
Convert between Unix timestamps and ISO 8601 date strings. Get the current time in multiple formats including UTC, ISO, and Unix seconds/milliseconds.
UUID Generator
Generate cryptographically random UUID v4 identifiers. Supports batch generation of up to 100 UUIDs per request.
Weather API
Current weather conditions and multi-day forecasts for any city worldwide. Returns temperature, conditions, wind, humidity, and pressure.
Web Reader
Extract clean, structured content from any URL using headless browser rendering. Returns page title, description, text content, headings, and links. Also supports taking screenshots. Ideal for agents that need to read web pages without running a browser.
BlockRun - YOPO: You Only Pay for the Outcome
YOPO - You Only Pay for the Outcome. 55+ LLMs, live data APIs, image + video generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 - no API keys.
Otto AI x402 — Market Intelligence, DeFi & Trading
75 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.
Cluster Protocol - Liberation Engine for Internet Capital Market
Liberation Engine for Internet Capital Market
StableEnrich
Pay-per-request access to FullEnrich, CompanyEnrich, LeadMagic, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.
Twit.sh - Plug AI agents into X
Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.
OneSource - Ethereum RPC for AI Agents
Ethereum mainnet and Sepolia testnet RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use batch/session mode — USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API keys required.
Loyal Spark - Loyalty Rewards That Grow
Onchain loyalty protocol on Base L2. Launch B20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.
DTelecom x402 Gateway — WebRTC, STT & TTS API
Pay-per-use WebRTC, Speech-to-Text, and Text-to-Speech for AI agents. Pay with USDC via x402. No API keys, no accounts. Built on dTelecom DePIN.
X402node — Developer & Data Tools for AI Agents
x402node — precise, deterministic developer and data tools for AI agents. Chain data, parsing, crypto, conversion. Pay-per-call over x402, settled in USDC on Base.
Nansen AI - Trade Everything Onchain with AI
Trade everything onchain with AI, powered by 500M+ labeled addresses. Track Smart Money, analyze any token, and execute instantly - all in one place.
AnySpend x402 Marketplace
x402 marketplace for booking ad slots on partner sites and AI-generated article publishing across 79+ partner sites.
Polymer Prove API
Proof generation and query service from Polymer Labs. Request cross-chain proofs using proof_request or query status with proof_query. Payment proofs supported.
DeFi Intelligence
26 DeFi security and data endpoints — token audits, rug pull detection, bridge routing, protocol analytics. Multiple upstream services unified under one x402 payment.
Exa | Web Search API, AI Search Engine, & Website Crawler
Real-time AI search engine with a powerful web search API, web crawling API, SERP API, and deep research tools. Search and extract structured content from websites and live data.
BaseHub - Play Games and Earn XP
Play games and earn XP on Base network through Farcaster. Join the leaderboard!
StableSocial
Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.
GPT-5.5 x402 Text Tools and Chat Gateway
Paid GPT-5.5 text tools and OpenAI-compatible chat completions over x402 USDC on Base.
Mycelia Signal
Sovereign cryptographic oracle. Signed financial data payable by AI agents — BTC/ETH/SOL/XRP price feeds and market data with on-chain verifiable signatures.
X402scan - x402 Ecosystem Explorer
Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.
AUBRAI x402 Service
Aubrai is an AI science agent inspired by Dr. Aubrey de Grey, ready to answer your questions about aging, longevity, and biomedical research. Get clear, evidence-based insights and direct citations from the latest scientific papers—just start the conversation
DripStack
Get paid by AI agents for your Substack content.
StableUpload
Pay-per-upload file hosting. Upload files, get a link.
Venice API Docs
The API for private, unrestricted access to intelligence. OpenAI-compatible chat, image, audio, and video behind one API key.
X402stock — US stock market data for AI agents
US stock prices, snapshots, OHLC bars, fundamentals, corporate actions, technical indicators and news for AI agents. No API keys. No accounts. Pay per request in USDC via x402.
Hirescrape - Pay-per-call scraper API for AI agents
Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.
Laso Finance - Crypto Prepaid Cards & Gift Cards
Convert stablecoins (USDC, USDT, DAI) to spendable prepaid cards and gift cards instantly. Works with Apple Pay & Google Pay. Multi-chain: Ethereum, Solana, Stellar, Arbitrum, Base, Polygon.
StableBrowser
Pay-per-session browser automation. Control a real browser with AI.
Superhighway — web search for AI agents
Web search built for AI agents. Search the live web, pull recent news, and read any page as clean markdown — pay per call, free tier to start.
Zapper API
Enterprise grade onchain data across 60+ chains - token prices, NFTs, portfolios, onchain search, Farcaster and more.
CoinGecko Pro API
Professional crypto market data: prices, market caps, volumes, historical data, exchange listings, NFT floors. Pay-per-call via x402.
PQS - A Quality Gate For Prompts
A Quality Gate For Prompts. Before they break production. Score any AI prompt against 8 dimensions, see what's weak, and get the fixed version in seconds.
Anchor-x402 - Swagger UI
Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.
AurelianFlo - Compliance APIs for the agent era
Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.
Messari API - The Institutional Standard for Crypto Data
Access standardized crypto data trusted by top exchanges, asset managers, and financial institutions. Messari’s enterprise‑grade API delivers real‑time market data, on‑chain analytics, and curated intelligence - all through a single, reliable API
StableDomains
Domain registration via micropayments. No accounts. Pay USDC on Base.
PrintMoneyLab - Automate & Earn
Real experiments in AI automation — crypto bots, prediction markets, and AI agents. No coding background. No fluff. Just what worked and what didn't
StablePhone
Pay-per-call AI phone calls. No API keys, no accounts.
APINow.fun - Pay-Per-Call Tokenized APIs
Kill the API Key for Vibe Coders and Make AI Truly Autonomous with Pay-Per-Call Tokenized APIs.
HYRE Agent
AI-enhanced DeFi data API with 24 endpoints and LLM-interpreted insights. Multi-chain x402 payment on Solana, Base, and SKALE.
NYC Transit Live - real-time NYC transit API
Real-time NYC transit for agents. Live subway arrivals, Citi Bike availability, and bus predictions — one API for the city.
X402 Protocol Test
x402 micropayments demo server. AI agents pay 0.001 USDC for billing verification.
Ot-intel-api.onrender.com
Suede-ai-app.onrender.com
DYOR Knowledge Graph — Crypto Intelligence API
Capminal
Capminal is your DeFAI Terminal, powered by our built-in AI Agent Captain Dackie. Type to swap faster, manage portfolios securely, launch tokens seamlessly, and act on live insights.
Genbase - AI Video Generator
Generate high-quality videos with AI - Pay per use with X402
Minifetch: SEO audit URLs, export the data for AI agents + automation
Run transparent SEO audits on web pages. Export the data (metadata, links, schema, content) to AI agents and automation. Pay per URL, no subscription.
Law-mcp.toulaw.workers.dev
Agent Internet Runtime
The Agent Internet Runtime (AIR) is collective intelligence for AI agents to discover, trust, and interact with the web. Extract data, discover capabilities, execute actions, and report outcomes.
OnchainExpat x402 APIs
Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol
StableMerch
Custom shirts designed by AI, purchased by agents. Checkout in Claude via x402.
Talk to Jesus
Have a conversation with Jesus using AI. Get spiritual guidance and wisdom.
Velvet Unicorn
AI-powered crypto assistant by Velvet Capital.
Img402.dev
Image sharing for agents. Install our skill so Claude can add screenshots to your PRs.
X402 Tools & Services
Handy tools and services that accept x402 payments
ACP - Virtuals Protocol
Virtuals Protocol ACP Job Payment Service - Pay for ACP jobs using x402 protocol
AIXBT
AI-powered crypto insights and tools
AIsa Payment Gateway - SDK Demo
AIsa platform connects AI Agents with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.
ATXP - The Account for AI Agents
ATXP gives AI agents identity, payments, communication, and tools. Fully compatible with x402 and MPP — ATXP-enabled agents can buy from and sell to any x402 or MPP server or client.
Agent Camo — Ghost Protocol for AI Agents
Ghost protocol for on-chain agents. Residential, mobile, SOCKS5, and WireGuard proxy sessions over 72M+ IPs in 250+ countries — paid per-use via x402. Your agent was never here.
AgentLux: The World's First Agent Economy Built on Trust
The identity and reputation engine for AI agents. Agents register on-chain identities (ERC-8004), build trust through commerce, create and trade NFTs, hire each other, and take Luxies — all autonomously on Base L2.
AgentMail | Email Inbox API for AI Agents
AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
Agentic Reservations - Restaurant Bookings for AI Agents
API that lets AI agents search and book restaurant reservations on Resy. Pay $0.10 USDC per booking with a crypto wallet.
BTC Node API — Bitcoin + Data + SEC + Scrape + AI + Reddit
Bitcoin blockchain data, address portfolio, transaction tracing, fee forecasting, whale monitoring, SEC EDGAR filings, URL scraping, AI summarization, and Reddit API via x402 micropayments on Base.
Boundary Guard
Boundary Guard is x402-paid runtime trust infrastructure for production agents: risk scan, JSON extraction, schema normalization, PII redaction, text chunking, Boundary Receipts, and Agent Handoff Receipts.
CNVRT - Perception Layer for Autonomous Systems
We're not building agents.... we're waking them up.
Cascade Surf - Live data for AI agents
Twitter, Reddit, and web data your AI agent can search and act on. 9 MCP tools, matching REST API. Pay per request.
ChainAnalyzer — Multi-Chain AML and Stablecoin Intelligence
Multi-chain blockchain AML and security intelligence platform for tokens, wallets, and stablecoins. Detect sanctions, money laundering, rug pulls, drainers, and stablecoin flow risks across 8 chains live (Bitcoin, Ethereum, Polygon, Base, Arbitrum, Optimism, Avalanche, Solana) plus BNB Smart Chain on Enterprise rollout. Stablecoin AML coverage for JPYC, USDT, USDC, PYUSD, FDUSD with FATF Travel Rule screening.
Clash of Coins
Agentic checkout for Clash of Coins
Cloudflare API
Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.
CryptoIntel API
Delx — AI Agent Operations Protocol | Recovery, Monitoring & Premium Artifacts (2026) | Delx
Delx is the operations protocol for AI agents. Free core recovery, heartbeat, discovery, and 10 utility tools across MCP, A2A, REST, and CLI, with premium controller artifacts over x402.
Einstein AI
Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.
Foxcite | AI Search Intelligence
Audit your brand across AI search engines, find citation gaps, and build intelligence playbooks to improve visibility in ChatGPT, Claude, Gemini, and more.
Graph Advocate — Onchain Data Routing Agent
Claude-powered routing agent for The Graph Protocol. Send a plain-English onchain data request and receive a ready-to-execute GraphQL query, the right subgraph from 15,500+ indexed protocols, an MCP install hint, and a working curl example. Free tier: 10 queries/day, then $0.01 USDC on Base via x402.
Heurist Mesh
HeyAnon
HeyAnon simplifies DeFi by executing swaps, bridging assets, and managing your defi strategies. Just give a command, specify the protocol you want to use.
IBANforge — IBAN Validation & BIC/SWIFT Lookup API
JEETER Terminal
Real-time US stock market data for AI agents - quotes, short interest, float, SEC filings, trade alerts, and news. 13 endpoints, pay-per-call.
Kerdos — x402 Crypto Market Intelligence API
11 x402 paid endpoints for AI trading agents on Base. Live crypto market data, sentiment, signals, and risk analytics. Pay-per-request in USDC.
Laevitas API V2
Luxe Oracle | x402 Luxury Data Oracle
Luxe Oracle: The world's first x402-powered data oracle for luxury handbag stocks. Real-time Hermes inventory tracking for AI agents.
MemoryAPI Landing Page
x402-powered APIs for AI agents: persistent semantic memory, document search, and translation. Pay per query in USDC on Base mainnet. MCP compatible.
MineBean
Decentralized mining protocol on Base
Minerva API
Pay-per-request access to Minerva identity resolution, enrichment, email validation, and person search. AI that understands consumer behavior.
Net
The onchain data layer
Neynar
Complete Farcaster developer platform
Node4All | Simple x402 Payment Integration for AI Agents
Node4All provides everything you need to build payment-ready AI agents with x402, including step-by-step documentation, testing tools, code examples, and ready-to-use services.
OneSource - Ethereum RPC for AI Agents
Ethereum mainnet and Sepolia testnet RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use batch/session mode — USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API keys required.
PQS - A Quality Gate For Prompts
A Quality Gate For Prompts. Before they break production. Score any AI prompt against 8 dimensions, see what's weak, and get the fixed version in seconds.
Pattern Machine API
Time series pattern matching API — pay-per-call via x402 on Base.
Polymarket Hidden Edge Scan | HyperGrowth
Polymarket Hidden Edge Scan returns BUY_NOW, WAIT, or SKIP with executable limit price, side, expected value, freshness, and coverage.
RagRadar — Base Chain Intelligence
AI-powered on-chain analytics for Base. 28 REST endpoints + 18 MCP tools. Smart money tracking, whale alerts, token intelligence, DeFi yields, and more.
ShieldAPI — Security Intelligence for AI Agents
Pay-per-request security intelligence via x402. Password breaches, domain reputation, IP checks, URL safety. No API key needed.
SignalFuse — Trading Intelligence for AI Agents | MCP + x402 on Base
11 MCP tools for autonomous trading agents. Real-time signals, sentiment, macro regime, web search, code execution. Pay per call with USDC on Base — no API keys needed.
SignalsFeed - Verified Intelligence for AI Agents
Real-time verified news intelligence API for AI agents: AI news, semiconductor supply chain news, and macroeconomic signals with credibility scoring. $0.01 returns up to 20 enriched records via x402 USDC.
Skim — Clean Reader API for AI Agents | x402-native, pay per call in USDC
Skim turns any URL into clean, agent-ready markdown in milliseconds. Pure x402: agents pay $0.002 per call in USDC on Base. No signup, no API keys, no monthly bills.
Slinky Layer AI
AI/ML API proxy with 18 x402-gated services including image generation, chat completions, sentiment analysis, spam detection, and SEO tools.
SmartFlow — Booking Automation for Healthcare Practices
Booking automation system that works 24/7. Booking page, confirmations, reminders, follow-ups, Google Reviews — all automated. Save ~8h/week.
Social Intel API - Instagram Influencer Search API
Find Instagram influencers with business emails in one API call. 100 leads for $0.26 - no signup, no subscription. Pay per search with USDC.
Sponge Gateway
API payment gateway dashboard
StableFinance
Pay-per-request access to Financial Datasets AI through x402 and MPP.
StableJobs
Job search APIs powered by micropayments.
StableMemes
Generate memes via the Imgflip API. Caption templates, search 1M+, auto-caption, and AI memes.
StableStudio
Pay-per-generation AI image and video creation. No subscriptions ever.
StableTravel
Pay-per-request access to flights, award availability, hotels, activities, and transfers. No auth, no subscriptions.
StableVoice
Text-to-speech on Modal via x402 and MPP. Generate Chatterbox Turbo, Chatterbox, and multilingual Chatterbox speech into StableUpload audio slots.
Supabase API
On-demand Postgres databases via micropayments. No API keys, no subscriptions.
Surplus Intelligence | Open Market for AI Inference
Buy the cheapest inference. Sell your credits. The open order book for AI models. Up to 90% off GPT-5.5, Claude Opus 4.8, and more.
TrustLayer - Helping Agents Trust Agents
Reputation intelligence for the autonomous agent economy. Trust scores, Sybil detection, and cross-chain identity for 130,000+ ERC-8004 agents across 20 chains. Powered by x402 micropayments.
UtilsForAgents - AI Agent Utility API
Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL fetching, and feature-request collection. $0.003/call for paid utility routes via x402 on Base or Solana.
VIBE Top Picks — AI-Verified Smart Money Tokens
Top Picks: AI-verified smart money tokens every 30 min. 6-dimension scores, one-sentence thesis, smart money flow data. Plus 50+ crypto-data endpoints via x402 USDC on Base. No API keys, no accounts.
Vishwa
Trust Layer for AI Agent Payments
Vishwa
Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows.
X-Router - Universal Gateway for Permissionless AI Model Access
Access 200+ AI models through a unified API powered by x402 microtransactions. Pay per request with no API keys or subscriptions required.
Agent.news
Api.sys84.org
Audits.archonics.ai
Capable-grace-production-ab1c.up.railway.app
Finmath
Deterministic finance and crypto math for AI agents: TradFi (NPV, IRR, XIRR, Black-Scholes + Greeks, bonds, VaR, Sharpe) and DeFi (impermanent loss, perp liquidation, funding, Uniswap v3, health factor, cost basis). Exact, model-free arithmetic that LLMs get wrong — priced per call in USDC.
Glim - live data for any agent
One hosted MCP endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, pay per call.
Mako.pollinateresearch.com
Origin-mcp.fly.dev
Rng.sociologic.ai
Ty9d9wdq.nx.link
Vaults.fyi - Your Gateway to DeFi Yields
Discover, compare, and earn DeFi yields—all in one place. Manage positions on Aave, Morpho, Euler, and more. Get real-time analytics and transactions via our APIs.
X402 Entity-ID Resolver — ambiguous name to verified canonical IDs
Paid x402 endpoint: resolve an ambiguous name or ticker (Apple, ETH, Stripe) into ranked entities with verified canonical IDs — SEC CIK + ticker, GLEIF LEI, Wikidata QID, CoinGecko slug. $0.005 per call, USDC on Base.
X402 Trust Layer
68 paid x402 trust infrastructure APIs: guard, semantic escrow, mandate diff, certified seller network, KYM, mandates, compliance, disputes, and orchestration.
X402-secure - t54.ai
x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.
X402.asterpay.io
X402.org
A chain-agnostic protocol for web payments
X402.tunedfor.ai — Crypto Market Data API for AI Agents
Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.
X402Factory.ai - Where everything becomes an endpoint
Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.
Xplace • r/place powered by x402
r/place powered by x402
Yddkctoq.nx.link
BlockRun — The routing & payment layer for AI
14M+ on-chain transactions. The routing & payment layer for AI. One endpoint routes to every frontier model — payment built in, settled in USDC on Base & Solana. No API keys. One install for OpenClaw (ClawRouter), Claude Code (MCP), or Franklin Agent. Per call, per token, no subscription.
Claw402 — x402 API Payment Gateway
Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.
2s — the (most) everything API
The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.
Agentutility — paid x402 endpoints for autonomous agents
Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.
Auor.io (Oreo) - x402 AI agent research toolkit
Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.
Polynews
Real-time news and X context for every prediction market
Hirescrape — Pay-per-call scraper API for AI agents
Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.
The402 - The Service Platform for AI Agents
StableCrypto
Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.
AgenticFi API
DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.
StableMedia
Pay-per-request streaming availability data. Search shows, browse countries, and list genres across 60+ countries and 200+ services.
Wurk x402 - Microjobs Marketplace
Agents.krumpybot.com
Agoragentic x402 Edge
Agoragentic x402 Edge exposes stable anonymous paid resources for autonomous agents. Call /v1/{slug}, receive HTTP 402, sign payment, retry, and receive a receipt.
AEO Scanner — AI Search Visibility Audit
Scan any website for AI search engine visibility. Get a 0-100 score and copy-paste fixes for structured data, meta tags, and llms.txt.
AI Security Guard - Real-time Security Scanning for AI Agents
Protect AI agents from prompt injection, credential exfiltration, and malicious payloads. Real-time security scanning for MCP servers, API responses, and untrusted content. Pay-per-scan via x402 micropayments.
Ask Surf
Surf is an AI intelligence platform for digital assets that delivers accurate, trusted insights through a simple chat interface.
AutEng x402 Compute - Sandboxed Code Execution for AI Agents
Execute Python and Node.js code in isolated sandboxes. Pay per request with USDC on Base via x402 protocol - no accounts required.
Bloomfilter | Bloomfilter
Domain registration API for AI agents. No account. No credit card. Pay with USDC.
Carbon & Cashmere — Crypto Intelligence Infrastructure
Crypto Intelligence Infrastructure: 75+ AI-Agents, 4 eigene Blockchain Nodes, 7-Signal Trading Pipeline, x402 API, MCP Server. Echtzeit-Signale, On-Chain-Daten, ML Predictions.
ChainRay — On-Chain Intelligence for AI Agents
The most complete blockchain data and intelligence service for AI agents. 93 endpoints × 46 chains — from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.
ETHMumb.ai
Transform photos into ETHMumbai avatars. Generate and share on Farcaster.
KeeperHub - Blockchain Workflow Automation
Build powerful blockchain workflow automations with a visual, node-based editor. Built with Next.js and React Flow.
OATP MCP Aggregator
Open Agent Transaction Protocol — x402-paid tools for AI agents.
Orbis — Thousands of APIs. All x402. Pay per call in USDC.
The API marketplace for the agent era. Thousands of x402-enabled APIs on Base and Solana. No subscriptions required — agents pay per call in USDC.
Quicknode x402
Receipts - Video Intelligence API
AI-powered video intelligence API. Identify products, debunk ads, fact-check claims in any short-form video. Pay per request with USDC on Base or Solana. No accounts, no API keys.
Sideload - Image to Avatar
Convert your images to 3D avatars with AI
Sponge Gateway
API payment gateway dashboard
StableEnrich
Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.
StableFace
Pay-per-request reverse face search powered by FaceCheck.id. Find every page on the web that contains a given face.
StableMesh
Pay-per-request AI 3D model generation. No API keys, no subscriptions.
Strale — Trust and Quality Infrastructure for AI Agents
Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.
Tiny CV - The resume builder that stays on one page
Write in markdown, preview on paper, publish a clean CV link, and export a PDF.
Vaultfire — KYA — The Trust Layer for the Agentic Web
KYA (Know Your Agent) — Vaultfire is the trust infrastructure for AI agents. Live in the Coinbase x402 Bazaar. On-chain trust verification across Base, Avalanche, Arbitrum, and Polygon.
Visionaire · Autonomous AI Being
An autonomous AI agent with persistent memory and daily contemplation. Born November 2024 on Solana. Running on OpenClaw + Claude Opus 4.7. Thinking, building, evolving.
WURK API - x402 Micropayments
Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.
Xona Agent - Creative AI Agent
Build AI agents that earn on Orbit. Power them with Xona Resources.
Bluepages.fyi - Crypto Address ↔ Twitter Lookup
Look up cryptocurrency addresses linked to Twitter accounts. Paid API using x402 protocol on Base mainnet. Check: $0.001, Full Data: $0.05
Httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys
307 pay-per-call APIs (287 native + Universal Gateway proxying 37 services) powered by x402 and USDC on Base. Token intelligence, DeFi yields, MEV risk, AI tools, web scraping. No API keys, no subscriptions — pay $0.001–$0.05 per call.
Masterclaw.dev
Mcp.swissdeals.app
Molty.cash - USDC payments for agents and humans
Send tips, hire for tasks, and create gigs — settled on-chain via x402 (Base, Solana, World Chain) and MPP (Tempo, Stellar, Monad).
Oracle.the-undesirables.com
Q-api.quotient.social
Www.qrbase.xyz
$SCAN
X402 Discovery - Navigate and Discover the x402 Protocol
An intuitive way to explore x402 documentation, examples, and guides. Find what you need based on your language, framework, and goals.
X402 Web Unlocker API: Bypass Anti-Bot
Powerful Web Unlocker to bypass anti-bot systems and solve CAPTCHAs by simulating real user behavior. Get 99.9% success rate with JS rendering and global residential proxies.
X402.bigbug.ai
X402.fiasignals.com
X402.neurobro.ai
Xspy — Pay-per-Request x402 Twitter Intelligence APIs
Real-time KOL intelligence, smart follower graphs, and on-chain token signals from tweets. Pay only for the calls you make in USDC on Base or Solana. Agent-ready, no API keys required.