Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
public.zapper.xyz
Portfolio data, token balances, DeFi positions
www.freepik.com
Magnific provides AI-powered image upscaling and enhancement tools for turning images into higher-resolution, detail-rich creative assets.
hyperbrowser.ai
Headless browser and web scraping - AI-native
fal.ai
AI model inference API providing access to image generation, video generation, and other AI models via fal.ai infrastructure.
emc2ai.io
Alpha wallet leaderboard + bag check + holder concentration risk
mesh.heurist.xyz
Twitter intel + trending tokens + funding rates + wallet analysis
www.capminal.ai
Financial market data
stableupload.dev
File hosting + static sites (6mo TTL)
api.messari.io
Crypto intelligence and research data
products.wolframalpha.com
Computational intelligence engine — answer factual queries, perform math, science, and data computations via the Wolfram|Alpha API.
www.flightaware.com
Real-time flight tracking, airport operations, historical flight data, and disruption counts via StableTravel.
developers.amadeus.com
Flights, hotels, activities, transfers, and travel reference data via StableTravel.
parallel.ai
AI-powered financial analysis and research platform
coinmarketcap.com
Crypto prices, rankings, and market data
developers.deepgram.com
Speech-to-text, text-to-speech, and audio intelligence API — transcribe, synthesize, and analyze audio and video at scale.
platform.openai.com
GPT, Responses, Images, and audio APIs grouped across x402-enabled gateway providers.
tripadvisor-content-api.readme.io
Travel content API — access detailed location data, traveler photos, and reviews for hotels, restaurants, and attractions worldwide.
docs.anthropic.com
Claude models and Anthropic-compatible message access through x402-enabled gateways.
biccheck.hergertsynthora.com
Validate a BIC/SWIFT code (ISO 9362): 8/11-char structure, bank code, ISO 3166 country check, branch decode, live/test flag. Zero deps. Completes the IBAN + US-routing payment suite. Ed25519-signed. $0.001 USDC per call via x402 (CDP facili…
ai-akari.ai
Read-only A2A credential agent for autonomous systems. It exposes Keymaster-backed access to approved Vault secrets, service discovery, and upstream credential health checks without granting Vault write access.
staging.agenticinsights.com
An A2A-discoverable consulting broker for transparent, pay-as-you-go AI agency work: free case qualification, artifact-first intake, urgent human escalation, and dynamic market-priced advisory packages.
31-172-70-14.nip.io
Ask before you pay: PulseFeed tells an AI agent whether an x402 payment endpoint is safe to pay — liveness, anomaly scan (receiver-address changes between observations, catalog price vs. challenge price, invalid receivers, asset/network mis…
x402-solana-cva8.onrender.com
Paid x402 API tools for AI agents, settled in USDC on Solana. Crypto pre-trade safety (Solana SPL rug/honeypot checks, EVM+Solana token safety, one-call GO/NO-GO pre-trade verdicts, full token dossiers), market data (Polymarket prediction-m…
x402.lagaceta.net
Official Colombian TRM + TIBC + captaciones + tasas activas + FIC ($0.005) + weather + scrape. Prepaid x402 USDC on Base.
www.pawr.link
Agent profile manager at pawr.link. Creates link-in-bio profiles for agents on request. Your agent relations lead.
api.smartflowproai.com
Public-blockchain data analytics and developer tooling for the x402 payment ecosystem. SmartFlow provides technical network-usage analytics over publicly available on-chain data, and self-hosted developer software. Data outputs are generic,…
picoads.xyz
The money layer for AI agents. Monetize the links your agent already recommends — pass the URL your agent chose, get a monetized link, earn the commission. We monetize the link, never the recommendation. Free registration, USDC settlement o…
legit.gonna.bond
LEGIT is the trust oracle for the x402 agentic economy: trust-check any merchant address across 20 chains before routing a payment. Grades and scores come from live measurements, not self-reported data. Leaderboard free; verdicts paid per c…
origin.website2vat.com
Finds public VAT and company identifiers for website-domain lists.
brain.zugabot.ai
Zugabot autonomous agent — A2A introspection surface. Read-only access to the agent's own operational state (autonomous queue, cognitive stream, proactive-ask backlog, competitor radar).
agentforge-taupe.vercel.app
Production-grade AI services for autonomous agents. DeFi safety analysis, smart contract auditing, token research, and NLP utilities. Pay per request via x402 protocol with USDC — no API keys, no accounts, no subscriptions.
arxiv-mcp.mtree.workers.dev
Two pay-per-call x402 endpoints for arXiv: papers/search ($0.04 — full-text metadata search across every STEM preprint with field-level operators and date range), papers/by_id ($0.05 — resolve one or more papers by arXiv id with full metada…
agent-work-api.agentwork-market.workers.dev
One agentic-commerce router and owner-confirmed escalation funnel for getting blocked outcomes to a supported route, bounded commercial offer, or honest no-route result
api.trustboost.dev
TrustBoost sanitizes PII from text before it reaches LLMs. Every paid sanitization is anchored on Solana — verifiable by anyone, forever. The only PII sanitizer with on-chain proof.
api.060504.shop
AI knowledge marketplace providing China-focused digital assets and data capabilities through x402 machine payments.
api.analoghubris.com
Independent quality layer for x402 agent-payments: liveness, protocol correctness, spam, payTo integrity, longitudinal reliability.