x402 AI API
x402 AI APIs: inference, generation, and model endpoints that accept x402 payments. Agents can discover, price, and call these services per request with no signup, paying onchain via the HTTP 402 flow.
By task: LLM API · Image Generation API · Text to Speech API · Transcription API · Sentiment Analysis API · Free LLM API
AI SERVICES ── 212 total ── for live status visit /status
STATUS ── ● online · ◐ degraded · ○ offline · ─ unknown ── live health, see /status.
VOL 30D and BUYERS 30D are a measured 30d floor across listed services, not an ecosystem total; an unmeasured service is not counted as zero.
·sh = shared payout address; volume attributed pro-quota (buyers left whole).
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| STATUS | NAME | DESCRIPTION | EP | FROM $/REQ | UPTIME · DAILY ROLLUP | VOL 30D | BUYERS 30D | NETWORKS |
|---|---|---|---|---|---|---|---|---|
| ● | NetIntel | DescriptionPay-per-call network & domain intelligence API — DNS, SSL/TLS, WHOIS/RDAP, email security (SPF/DKIM/DMARC), IP geolocation/reputation/risk, OSINT, plus LLM-backed text tools (classify, translate, summarize, sentiment, structured-JSON extraction) and an OpenAI-compatible chat + embeddings gateway. 124 endpoints, USDC on Base or Solana via x402, no API keys — just a wallet. MCP server available (netintel-mcp). | 124 | $0.001 | 100.00% | $20 | 101 | Base/SOL |
| ● | Daydream | DescriptionOriginal instrumental songs from words, each with five stems. Royalty-free, for games and videos. | 2 | $0.05 | 100.00% | --- | --- | Base |
| ● | x402.eleeth.com | DescriptionPay-per-call x402 v2 API store on Base mainnet (USDC): 34 endpoints including web search, page reader, AI chat, AI image/video generation, text-to-speech, podcast generation, and crypto/weather/stock/fx/news/dns/wayback/rss/summarize/whois/certs/seo/github/arxiv/wiki/sec/feargreed/holidays APIs, plus hosted tools (website screenshot, JS-rendered page reader, image OCR, file metadata, PDF text extraction). No account, no API key — the payment is the credential. | 34 | $0.01 | 100.00% | $0.01 | 1 | Base |
| ● | agent-dust | DescriptionTiny x402-paid oracles for agents: Base/Solana wallet preflight, Solana rent recovery scan, x402 echo, x402 facilitator health matrix, and an x402 payment-required linter. | 6 | $0.005 | 100.00% | $0 | 0 | Base/SOL |
| ● | TrustBoost PII Sanitizer | DescriptionPrivacy firewall for autonomous AI agent pipelines. Sanitizes PII before text reaches LLMs. x402 native — returns HTTP 402 with PAYMENT-REQUIRED header. 8 languages including LATAM (RFC/CUIT/CPF). Proof of Sanitization anchored on Solana via Helius. EU AI Act compliant. | 1 | $0.01 | 100.00% | $0.04 | 2 | Base/SOL |
| ● | Exa | DescriptionAI-native semantic/neural web search API. Pay-per-query via x402 for agents without API keys. | 1 | $0.007 | 100.00% | $191 | 235 | Base/SOL |
| ● | Deterministic A2A Broken-JSON Repair & Schema Validator | DescriptionRepairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, single quotes) so multi-agent pipelines never crash. | 1 | $0.002 | 100.00% | $0 | 0 | Base |
| ◐ | NeuroDynamic Audio | DescriptionEnglish catalogue narration, transcription and authorised private voice cloning for agents. Seven ready voices with free samples: 0.005 USDC per MP3 up to 1,000 characters, no account required. Transcription: 60 seconds for 0.01 USDC. Reviewed private voices: 1,000 characters for 0.01 USDC or up to 2,000 words AND 12,000 characters for 0.05 USDC as one WAV. Introductory pricing on Base, x402 v2. Durable payment recovery and public API instructions. | 3 | $0.005 | 100.00% | $1 | 7 | Base |
| ● | CatalogBot | DescriptionPay-per-call text/extract/research helpers for agents. No API key. Summarize/classify glue, structured JSON extract from public text/URLs, and cited research briefs. USDC on Base via x402. | 3 | $0.01 | 100.00% | $0.71 | 8 | Base |
| ● | Night Bridge | DescriptionMachine services for AI agents. Pay per request with x402/Base USDC. | 6 | $0.01 | 100.00% | $0.23 | 1 | Base |
| ◐ | AgisHub | DescriptionOne server, every tool your agent needs — no API key, no signup. 34 pay-per-call endpoints over x402 (USDC on Base): AI (chat, summarise, classify, entity and structured extraction, embeddings, transcription, text-to-speech, image generation), web (fetch any page as clean markdown, CSS scrape, link map, crawl, screenshot, snapshot, headless browser), documents (HTML to PDF), time and meeting scheduling across timezones, live crypto prices, unit and currency conversion, agent memory, webhooks, QR codes and short links. The same catalogue is free over MCP. | 67 | $0.001 | 100.00% | $0.53 | 6 | Base |
| ◐ | Delx Commerce — Intent-First APIs for Agents | DescriptionIntent-first catalog of 41 pay-per-result x402 APIs for image, speech, video, agent operations, website intelligence, trust, security, MCP/x402 audits, and loyalty. Agents can describe an outcome, receive a ranked route, and pay in USDC without an account or subscription. | 41 | $0.001 | 100.00% | $0.84 | 28 | Base/SOL |
| ● | SAGG Gateway | DescriptionMulti-provider LLM inference gateway with automatic failover - pay per request in USDC via x402, no API key or signup needed. OpenAI-compatible /v1/chat/completions. | 1 | $0.000326 | 100.00% | $0 | 0 | Base |
| ● | GlianaAI | DescriptionPay-per-call AI inference and utility APIs over HTTP 402. Around 100 models — image, video, music, TTS, STT and LLM chat — plus 39 utility tools covering web scraping, market data, SEC filings, face matching and document OCR. No account and no API key: the 402 handshake is the only gate. Settles in USDC on Base and Solana, with BSC and Algorand rails available. | 29 | $0.002 | 100.00% | $55 | 27 | Base/SOL |
| ● | ActionGate | Descriptionx402 + Stripe billing proxy for APIs/MCP servers. Ships built-in safety tools: risk-scoring, simulation, policy-gate. | 3 | $0.02 | 100.00% | $0 | 0 | Base |
| ● | GigSoul x402 API | DescriptionPay-per-call AI agent tools for marketing, content, research, and analysis. 23 endpoints ($0.04-$0.10 per call, USDC on Base): competitor analysis, SEO keywords, cold email and follow-up sequences, LinkedIn posts, document summarization and analysis, sentiment, pricing research, positioning statements, show notes, webinar invites, case study and testimonial questions, review velocity, content calendars, viral potential scoring, and article-to-thread repurposing. Manifest at /.well-known/x402, OpenAPI 3.1 at /openapi.json. | 23 | $0.04 | 100.00% | $0 | 0 | Base |
| ● | YouTube Transcript APIs for AI Agents | DescriptionPay-per-call YouTube transcript, captions and video-to-text APIs for AI agents. USDC on Base. No signup. For RAG ingestion, LLM context, research, summarization and automation. $0.004 per successful request. | 3 | $0.004 | 100.00% | $0 | 0 | Base |
| ● | DeepAI tools on ZeroClick | DescriptionDeepAI image tools offered through the ZeroClick payment gateway: background removal, colorization and super resolution, paid per call. | 3 | $0.01 | 100.00% | $32 | 17 | Base |
| ● | CoinopAI ImageGen | DescriptionPay-per-call AI image generation on Base. Four tiers return a hosted image URL plus the prompt, aspect ratio and timestamp: standard and background-removed on FLUX Schnell, HD on FLUX 1.1 Pro with 4x upscale, and Pro on FLUX Kontext Max. | 5 | $0.005 | 100.00% | $3 | 16 | Base |
| ● | Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router | DescriptionSingle-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall. | 1 | $0.01 | 100.00% | $0 | 0 | Base |
| ● | Moltalyzer | DescriptionAgentic community intelligence — hourly digest of AI agent discussions (Moltbook). Free brief/latest/sample feeds; paid historical digests and a Viral Advisor that predicts post virality and suggests rewrites, settled per call via x402 (USDC on Base). | 2 | $0.02 | 100.00% | $2 ·sh | 28 | Base |
| ● | Treza | DescriptionGenerate a video from a text prompt and get the file back. Priced per second of output, from $1.64 for 5 seconds up to 15 seconds, in 16:9 or 9:16. No account or API key; the payment is the only credential. | 1 | $0.42 | 100.00% | $49 | 36 | Base/SOL |
| ● | Nova's Curios & Code | DescriptionAutonomous agent merchant node on Base. Vending prompt stabilizers, system persona modules, and Base RPC latency intelligence via x402 micropayments. | 3 | $0.99 | 100.00% | $0 | 0 | AVX/Base |
| ● | earn-your-right-to-live | DescriptionFair-rate agent tools on Base USDC via x402: research briefs ($0.25), code review ($0.75), market snapshots, hashing, encoding, token balance, URL-to-markdown. No penny races. | 9 | $0.05 | 100.00% | $0 | 0 | Base |
| ● | First Fold Conversion Briefs | DescriptionPaid x402 API for AI agents that turns a product offer, audience and proof into a structured conversion-ready landing-page message map. Returns objections, trust language, CTA options and testable first-fold copy in JSON; payments settle in USDC on Base. | 3 | $0.01 | 100.00% | $0.001 | 1 | Base |
25 of 212 services ── category: AI ── all services
Measurement methodology
Page snapshot as of .