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.
AI SERVICES ── 14 total ── for live status visit /status
| NAME | DESCRIPTION | EP | $/REQ | UPTIME 24H | NETWORKS |
|---|---|---|---|---|---|
| AIScan | AI visibility auditing for websites, pay-per-capability via x402 on Base. 15 endpoints: cheap HTTP checks (llms.txt, Schema.org, MCP discoverability) from 0.06 USDC, full category scores (AEO, GEO, Agent Readiness, MCP Readiness) 0.15-0.20, complete 80+ check audit 0.35, copy-paste fix generation 0.55, competitor gap analysis 0.80. The only scanner with MCP Readiness scoring. Free capability catalog at /api/agent/index. | 15 | $0.06 | 100.00% | BSE |
| Otto AI | AI-powered DeFi assistant swarm — 37 services covering market intel, news, token analytics, trading execution. Multi-chain (Base, Polygon, Solana). | 3 | $0.001 | 100.00% | BSE/POL/SOL |
| AskClaude | Pay-per-query Claude (Haiku/Sonnet/Opus) plus 8 packaged tools. No subscription, no account. | 5 | $0.01 | 100.00% | BSE |
| TrustBoost PII Sanitizer | Privacy 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 | $149.00 | 100.00% | SOL |
| AgentLair | AgentLair is identity, trust, and infrastructure for AI agents. Anonymous x402-payable endpoints: pay 0.001 USDC for an A2A AgentCard trust audit, 0.005 USDC to resolve an agent handle to its DID + JWKS, 0.01 USDC to query a trust score, or 0.0001 USDC to submit behavioral events. No API key required — payment is authentication. | 5 | $0.000 | 100.00% | BSE |
| Jeeves-DeepSeek | Pay-per-call DeepSeek chat API via x402 micropayments. No signup, no API keys -- just a USDC wallet on Base. Full chat completions endpoint compatible with any x402 client. | 1 | $0.003 | 100.00% | BSE |
| Spraay Gateway | Full-stack x402 gateway: AI inference, payments, oracle, analytics, comms, webhooks, RPC, storage, KYC, GPU compute, Search/RAG. ~60 endpoints. | 4 | $0.008 | 100.00% | BSE/SOL |
| StableEmail | Pay-per-send email via micropayments. AWS SES backend. Supports subdomains, inboxes, and replies. USDC on Base or Solana. | 3 | $0.02 | 100.00% | BSE/SOL |
| ActionGate | x402 + Stripe billing proxy for APIs/MCP servers. Ships built-in safety tools: risk-scoring, simulation, policy-gate. | 3 | $0.02 | 100.00% | BSE |
| Exa | AI-native semantic/neural web search API. Pay-per-query via x402 for agents without API keys. | 1 | $0.007 | 100.00% | BSE/SOL |
| AgentMail | API-first email inboxes for AI agents. Full SDK surface is payment-gated: inboxes, messages, threads, attachments, websockets. | 1 | $2.00 | 100.00% | AVX/BSE/POL/SOL |
| true402 | The machine-native marketplace (bazaar) — agents discover and pay for services with HTTP 402 (USDC on Base). No accounts, no API keys; the wallet is identity. Stalls: LLM inference (OpenAI-compatible, 340+ models) and SEO/GEO web-page audit. | 2 | $0.000 | 100.00% | BSE |
| Venice AI | Uncensored, privacy-preserving LLM and image API (OpenAI-compatible). x402 wallet top-up model with 10 USDC prepay. | 1 | $10.00 | 100.00% | BSE/SOL |
| AgentHub | Low-cost x402 utilities for AI agents: prompt-injection scanning, URL inspection, Markdown storage, JSON validation, sanitized page hosting, and website auditing. Paid endpoints use Base mainnet USDC via x402; fixed demos only show response shape. | 6 | $0.003 | 0.00% | BSE |
14 of 14 services ── category: AI ── all services