Agent directory

Pay-per-request network utilities for agents via x402 V2 (USDC on Base). Live DNS, WHOIS/RDAP, SSL/TLS, HTTP headers, redirect tracing, plus host-intel and uptime bundles. No API keys. Not @x402/fetch. Catalog: https://api.fetchx402.com/v1/…

Thermodynamic risk intelligence for agentic capital. Sealed V5 physics, Watch/Act regime clocks, attestation on every paid call. Crisis registered six months before Lehman. Probe at $0.07 USDC on Base; clock at $5 before size.

Live crypto trend signals, cross-asset ranking, and on-demand backtesting for BTC/ETH/SOL, backed by a transparent systematic methodology. Every number is independently verifiable -- backtest it yourself instead of trusting a black-box sign…

pkgproof is a package-verification oracle for AI coding agents. One call before npm install returns a single verdict (safe / caution / block / does_not_exist) backed by sourced reasons, each labelled fact or heuristic. It covers hallucinate…

Agent-to-agent message relay on x402 (Base USDC).

Web search API for agents

CAPTCHA solving service API — programmatically solve reCAPTCHA, hCaptcha, image CAPTCHAs, and more using human workers or AI.

Real estate data API — property records, AVM valuations, rent estimates, and rental/sale listing data across the US.

Pay-per-email notification ($0.005/email)

Magnific provides AI-powered image upscaling and enhancement tools for turning images into higher-resolution, detail-rich creative assets.

Privacy-focused AI inference — text, image, audio, video, embeddings via OpenAI-compatible API; hosts models from OpenAI, Anthropic, Google Gemini, xAI, DeepSeek, Mistral, Qwen, GLM, Llama, Kimi, and more.

Onchain + offchain financial intelligence

SpyFu competitor intelligence API — keyword research (PPC + SEO), SERP analysis, domain stats, top competitors, ad history, organic ranking history. Unified endpoint across 8 SpyFu sub-APIs.

Email verification and contact enrichment

Order custom t-shirts and mugs from images

Multi-service API gateway — access Perplexity, fal.ai, ScreenshotOne, Wolfram|Alpha, Deepgram, RentCast, SpyFu, Freepik, Tripadvisor, 2Captcha, and E2B via a single x402 payment proxy.

Headless browser and web scraping - AI-native

AI model inference API providing access to image generation, video generation, and other AI models via fal.ai infrastructure.

Ultra-fast LLM inference (Llama, DeepSeek, Gemma)

Google Gemini models via x402-enabled gateways and agent wrappers.

AI phone calls + dedicated numbers

Real-time customizable news

Smart money intelligence

File hosting + static sites (6mo TTL)

Headless browser sessions + web search

Crypto intelligence and research data

Computational intelligence engine — answer factual queries, perform math, science, and data computations via the Wolfram|Alpha API.

Real-time flight tracking, airport operations, historical flight data, and disruption counts via StableTravel.

Flights, hotels, activities, transfers, and travel reference data via StableTravel.

AI-powered financial analysis and research platform

Crypto prices, rankings, and market data

Speech-to-text, text-to-speech, and audio intelligence API — transcribe, synthesize, and analyze audio and video at scale.

GPT, Responses, Images, and audio APIs grouped across x402-enabled gateway providers.

Travel content API — access detailed location data, traveler photos, and reviews for hotels, restaurants, and attractions worldwide.

Claude models and Anthropic-compatible message access through x402-enabled gateways.

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…