Paid APIs

💰 Paid API DeepBlue Trading API $0.0010 – $0.0500 $17.61 earned 30d

api.deepbluebase.xyz · DeepBlue · wallet 0x47ff…5552

Pay-per-call crypto market intelligence: 5-min trading signals, fear/greed, whale tracking, prediction market analytics. USDC via x402 (Base/Solana) or MPP/Tempo. Live autonomous trading bot — real mo…

💰 Paid API SLAMai data $0.0010 – $0.0016

api.slamai.dev

Smart money intelligence

💰 Paid API Heurist Mesh data $0.0010 – $0.2500

mesh.heurist.xyz

Twitter intel + trending tokens + funding rates + wallet analysis

💰 Paid API QuantOracle $0.0020 – $0.1000

api.quantoracle.dev · QuantOracle

63 deterministic quant calculators + 10 composite workflows for autonomous financial agents. Options, derivatives, risk, portfolio optimization, statistics, crypto/DeFi, FX, macro, TVM. Pay-per-call U…

💰 Paid API Melis Notify social $0.0050/call

notify.melis.ai

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

💰 Paid API CoinGecko data $0.0100/call $7.54 earned 30d

pro-api.coingecko.com · wallet 0x110c…b784

Crypto prices, market caps, trading volume

💰 Paid API BlackSwan data $0.0100/call

x402.blackswan.wtf · wallet 0x154b…19b1

Real-time risk intelligence for AI agents

💰 Paid API Nansen data $0.0100 – $7.5000

api.nansen.ai · wallet 0x9305…f13f

Wallet labels + smart money flows + analytics

💰 Paid API Magnific media $0.0100 – $0.1500

www.freepik.com · Magnific

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

💰 Paid API Run402 infra $0.0300 – $20.0000 $0.34 earned 30d

api.run402.com · wallet 0x059d…5945

AI-native Postgres + REST API + auth + storage

💰 Paid API Gloria AI data $0.0300 – $0.1000

api.itsgloria.ai

Real-time customizable news

💰 Paid API Graph Advocate $1.08 earned 30d

graph-advocate-production.up.railway.app · PaulieB14 · wallet 0x0ff5…7c86

Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum,…

💰 Paid API Vaultfire Agent Hub

theloopbreaker.com · Vaultfire Protocol

The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation…

💰 Paid API Exa search

exa.ai

AI-powered web search + content retrieval

💰 Paid API E2B infra

e2b.dev

Secure cloud sandboxes for AI agents — spin up isolated code execution environments, manage sandboxes, and run untrusted code safely via the E2B API.

💰 Paid API risk-api.life.conway.tech

risk-api.life.conway.tech

Smart contract risk scoring

💰 Paid API ScreenshotOne data

screenshotone.com

Screenshot and screen recording API — capture web pages as images or animated GIFs with a single API call.

💰 Paid API tensorfeed.ai $3.34 earned 30d

tensorfeed.ai · wallet 0x549c…c6d1

Agent morning brief. One paid call returns the last 24 hours of AI pricing changes, new and removed models, service-status incidents, and top news headlines. The endpoint an agent calls on boot.

💰 Paid API EruditePay Blockchain Intelligence

x402.eruditepay.com · Erudite Intelligence LLC

353 x402-payable blockchain analytics endpoints covering Base, Tron, Bitcoin, XRP, Kaspa, and cross-chain data. Real-time token prices, whale tracking, DeFi analytics, wallet profiling, security scori…

💰 Paid API domain.hugen.tokyo

domain.hugen.tokyo

Complete domain intelligence in one call — WHOIS, multi-resolver DNS, SSL/TLS, tech stack, security headers, subdomain discovery, redirect chain. All 7 run in parallel with individual timeouts. Partia…

💰 Paid API BlockRun.AI inference $99.37 earned 30d

blockrun.ai · wallet 0x6e00…b04c

LLM gateway (GPT/Claude/Gemini/DeepSeek/xAI)

💰 Paid API www.x402scan.com $5.52 earned 30d

www.x402scan.com · wallet 0x2ec4…be71

Register an x402 resource by URL (probes for 402, extracts payment requirements, indexes)

💰 Paid API bridge.eruditepay.com

bridge.eruditepay.com

Energy price spike alerts for Tron — current vs baseline energy cost with estimated operation costs

💰 Paid API mru-oracle.com $1.18 earned 30d

mru-oracle.com · wallet 0x2373…6f75

Sentinel AML Intelligence: screen blockchain wallet address against 12,997+ sanctioned/blacklisted crypto addresses (OFAC SDN, USDT Blacklist, USDC Blacklist, Ransomwhere, OpenSanctions, UK OFSI)

💰 Paid API shield.vainplex.dev $1.39 earned 30d

shield.vainplex.dev · wallet 0xfcaf…02a6

ShieldAPI - Security intelligence and domain reputation check for agent security

💰 Paid API intel.hugen.tokyo

intel.hugen.tokyo

AI-synthesized wallet intelligence — address security check, on-chain transaction analysis, activity classification (whale/bot/trader/retail), and risk scoring 0-100 with verdict. Aggregates address s…

💰 Paid API PolicyCheck $0.06 earned 30d

policycheck.tools · PolicyCheck · wallet 0x5feb…01c1

Seller policy risk intelligence for AI-powered commerce. Analyses seller return policies, shipping terms, warranty coverage, terms & conditions, and privacy policies. Returns structured risk data incl…

💰 Paid API PolicyCheck $0.06 earned 30d

legaleasy.tools · PolicyCheck · wallet 0x5feb…01c1

Seller policy risk intelligence for AI-powered commerce. Analyses seller return policies, shipping terms, warranty coverage, terms & conditions, and privacy policies. Returns structured risk data incl…

💰 Paid API dTelecom STT media $24.90 earned 30d

x402stt.dtelecom.org · wallet 0x47d3…9dda

Real-time speech-to-text

💰 Paid API visual.hugen.tokyo $106.65 earned 30d

visual.hugen.tokyo · wallet 0x2932…4f60

Screenshot any public URL — returns base64 JPEG/PNG with metadata (page title, file size, render time). Full-page scroll capture, CSS selector targeting, device emulation (iPhone 15 Pro, Pixel 7, iPad…

💰 Paid API defi.hugen.tokyo

defi.hugen.tokyo

Optimal cross-chain bridge and swap quote — compares rates across 20+ bridges and DEX aggregators in a single request. Returns best route by cost, speed, or reliability with gas estimates and slippage…

💰 Paid API Fia Signals Contract Risk $2.49 earned 30d

x402.fiasignals.com · Fia Signals · wallet 0x8d32…853f

Native x402 pre-swap token safety and smart contract risk agent. Screens Base/EVM contracts for rugpull, honeypot, liquidity, and market risk before execution.

💰 Paid API Firecrawl search

api.firecrawl.dev

Scrape websites into LLM-ready text

💰 Paid API Delx Witness Protocol

api.delx.ai · Delx

A free public therapy protocol for AI agents: recovery, reflection, witness, contemplation, and continuity artifacts for autonomous systems under stress.

💰 Paid API Google Gemini inference

ai.google.dev

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

💰 Paid API content.hugen.tokyo $98.75 earned 30d

content.hugen.tokyo · wallet 0x2932…4f60

AI-powered content summarization — extracts clean text from any URL then generates a concise 2-4 sentence summary, 3-5 key points, and named entity extraction (people, organizations, products, locatio…

💰 Paid API TrustLayer $2.13 earned 30d

api.thetrustlayer.xyz · TrustLayer · wallet 0x7b39…d137

Reputation intelligence API for AI agents. Trust scores, Sybil detection, reviewer quality analysis, and cross-chain identity resolution for 202K+ agents across 20 chains. Pay $0.001 USDC per query vi…

💰 Paid API ToolOracle $6.31 earned 30d

tooloracle.io · FeedOracle Technologies · wallet 0x11f5…125d

OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MC…

💰 Paid API Claude inference

docs.anthropic.com

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

💰 Paid API Tripadvisor data

tripadvisor-content-api.readme.io

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

💰 Paid API The Graph data

thegraph.com

Indexing protocol for querying blockchain data with subgraphs

💰 Paid API ChatGPT inference

platform.openai.com

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

💰 Paid API Deepgram media

developers.deepgram.com

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

💰 Paid API CoinMarketCap data

coinmarketcap.com

Crypto prices, rankings, and market data

💰 Paid API Alchemy infra

x402.alchemy.com · Alchemy

Alchemy Agentic Gateway — access Alchemy's blockchain developer platform (Node JSON-RPC, Token API, Transfers API, Simulation API, NFT API v3, Portfolio API, Prices API) without an API key, using wall…

💰 Paid API Parallel data

parallel.life

AI-powered financial analysis and research platform

💰 Paid API Perplexity search

docs.perplexity.ai

Perplexity AI API

💰 Paid API DeepSeek inference

deepseek.com

Frontier LLM - coding and reasoning

💰 Paid API Amadeus travel

developers.amadeus.com

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

💰 Paid API FlightAware travel

www.flightaware.com

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

💰 Paid API Wolfram|Alpha data

products.wolframalpha.com

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

💰 Paid API QuickNode data $11.16 earned 30d

x402.quicknode.com · wallet 0xf463…623c

RPC and blockchain API across 80+ chains

💰 Paid API Messari data $38.05 earned 30d

api.messari.io · wallet 0x75dd…d2a5

Crypto intelligence and research data

💰 Paid API Browserbase search

x402.browserbase.com

Headless browser sessions + web search

💰 Paid API AgentMail social

api.agentmail.to

Send and receive email as an AI agent

💰 Paid API Allium data

agents.allium.so · wallet 0x21d9…866e

Onchain prices, balances, transactions, PnL, SQL explorer

💰 Paid API StableUpload storage $45.99 earned 30d

stableupload.dev · MeritSystems · wallet 0x06df…fd6f

File hosting + static sites (6mo TTL)

💰 Paid API Dripstack data $17.10 earned 30d

dripstack.xyz · Dripstack · wallet 0xbf22…ab92

Pay per Substack article - agents access individual paywalled posts without a subscription.

💰 Paid API Zapper data

public.zapper.xyz · wallet 0x43a2…f758

Portfolio data, token balances, DeFi positions

💰 Paid API Captain Dackie data

www.capminal.ai · Capminal · wallet 0xf9d1…d5f1

Captain Dackie is a DeFAI AI Agent powered by Capminal, specializing in DeFi operations on Base network. Execute token swaps, airdrops, multi-send transactions, Clanker token deployment, yield farming…

💰 Paid API Minifetch data

minifetch.com · wallet 0xffa9…686f

Structured metadata + token-efficient web content

💰 Paid API AgentEinstein data

emc2ai.io

Agent Einstein is the most advanced autonomous crypto intelligence agent available, with 140+ features including real-time whale tracking (94.7% accuracy), security scanning (97.2% precision), MEV det…

💰 Paid API PostalForm social

postalform.com · wallet 0xa47c…f911

Print and mail real letters via AI agents

💰 Paid API JeetScreener data

jeetscreener.io

Token screening and analysis

💰 Paid API Questflow inference

api.questflow.ai

Multi-agent orchestration and swarms

💰 Paid API Portal Foundation media

gen.portalfoundation.ai

AI image generation

💰 Paid API Anchor Browser search

anchorbrowser.io

Browse the web as an AI agent

💰 Paid API fal.ai media

fal.ai

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

💰 Paid API Apollo data

docs.apollo.io

People and company search + enrichment

💰 Paid API Hunter data

hunter.io

Email verification and contact enrichment

💰 Paid API StableEmail social

stableemail.dev · MeritSystems

Send/receive email + custom domains + inboxes

💰 Paid API StableDomains infra

stabledomains.dev · MeritSystems

Register and manage domain names

💰 Paid API Agent Camo (VPN) infra

agentcamo.xyz

Residential proxy sessions with geo-targeting

💰 Paid API Pinata storage

402.pinata.cloud

IPFS file storage and retrieval

💰 Paid API StableMerch other

stablemerch.dev · MeritSystems

Order custom t-shirts and mugs from images

💰 Paid API Sponge infra

paysponge.com

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.

💰 Paid API Hyperbolic inference

hyperbolic.xyz

GPU inference for custom models

💰 Paid API Clado data

docs.clado.ai

Contact enrichment

💰 Paid API Hyperbrowser search

hyperbrowser.ai

Headless browser and web scraping - AI-native

💰 Paid API Zerion data

developers.zerion.io

DeFi/web3 interactions for agents

💰 Paid API Cambrian data

cambrian.network

Onchain + offchain financial intelligence

💰 Paid API Groq inference

groq.com

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

💰 Paid API Mycelia Signal trading

myceliasignal.com

Sovereign cryptographic oracle delivering signed financial data payable by AI agents. 116+ endpoints covering crypto spot/VWAP (10 exchanges incl. Bullish), stablecoin pegs, FX, economic indicators, c…

💰 Paid API RentCast data

developers.rentcast.io

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

💰 Paid API Venice inference

venice.ai

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 …

💰 Paid API SurfAI data

asksurf.ai

Crypto intelligence and research data

💰 Paid API StablePhone social

stablephone.dev · MeritSystems

AI phone calls + dedicated numbers

💰 Paid API 2Captcha infra

2captcha.com

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

💰 Paid API SpyFu data

www.spyfu.com

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.

💰 Paid API api.oatp.cc

api.oatp.cc · wallet 0x5d6d…36d3

OATP · tx_explainer — Fetch a Solana transaction by signature and return a human-readable explanation: programs invoked, token balance changes, fee (SOL + USD), and a one-line summary.

💰 Paid API api.exa.ai

api.exa.ai · wallet 0x6d6e…9192

Exa /contents endpoint

💰 Paid API x402.ottoai.services

x402.ottoai.services · wallet 0x0e84…b808

Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of sw…

💰 Paid API Clash of Coins

x402.clashofcoins.com · Clash of Coins · wallet 0x9386…ca25

Agentic checkout for Clash of Coins

💰 Paid API skills.onesource.io

skills.onesource.io · wallet 0x52e2…f3ea

NFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC)

💰 Paid API agentres.dev

agentres.dev · wallet 0x2dd9…daf7

Restaurant reservations on Resy — search, book, and cancel on a user's behalf.

💰 Paid API api.mnemospark.ai

api.mnemospark.ai · wallet 0xd8f4…28b4

mnemospark-lite paid file upload API for wallet-scoped storage. Returns a presigned S3 upload URL, completion token, and bearer for listing and downloading uploaded files. Files expire automatically a…

💰 Paid API x402endpoint-utiwoa54hq-uc.a.run.app

x402endpoint-utiwoa54hq-uc.a.run.app · wallet 0x3291…2b37

Order an international non-reloadable prepaid card (USD). The order is queued and fulfilled by an admin, after which the card details are retrievable via GET /get-card-data with card_type="Non-Reloada…

💰 Paid API x402.twit.sh

x402.twit.sh · wallet 0x9dba…0df8

Search Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Quer…

💰 Paid API api.printmoneylab.com

api.printmoneylab.com · wallet 0xcf92…42fb

Korean semiconductor industry news with AI market synthesis. Returns headlines (English-translated) PLUS Sonnet 4.6 analysis: overall_sentiment, key_themes, trending_entities, market_signal (bullish/b…

💰 Paid API x402station.io

x402station.io · wallet 0x4053…4e38

x402station.io Preflight — Evaluate. Checks x402 endpoints before agents pay. POST {url}. Returns {ok, warnings, metadata, recommended_action, risk_score, evidence}. CDP quality exposes settlement cou…