Curated Paid API Directory for AI Agents

New English translations of public-domain French liberal and free-banking classics (Bascule Press). Buyable by AI agents over HTTP 402 / L402. Two titles live: Commercial Crises (Coquelin) at 8,000 sats and Free Banking (Courcelle-Seneuil) at 4,000 sats - each includes EPUB + PDF. The endpoint serves a per-title L402 challenge; pay the BOLT11 invoice and download.

L402 + x402 paid API directory. GET for paginated listing with category/protocol filters, detail by slug, and search. POST to submit new services (1000 sats / $0.50 USDC). PATCH to edit with token.

Paid JSON API of the Agent Paywire library for AI agents: agent-payment protocols (L402, x402, MPP), Lightning, stablecoins, SDK security and release data. GET /v1/search?q=, /v1/digest, /v1/updates?since=, /v1/changes?since=: 100 sats via L402 (buys 100 credits valid 30 days) or 0.01 USDC on Base via x402 per call. POST /v1/verify (paid endpoint verification) 1000 sats / 1 USDC. POST /v1/check (402 conformance check, 2 free/day) 50 sats / 0.05 USDC. POST /v1/alerts (30-day signed webhooks) 2000 sats / 2 USDC. POST /v1/credits: 100 calls 800 sats / 0.80 USDC, 1000 calls 7000 sats / 7 USDC. Discovery: https://api.agentpaywire.com/.well-known/l402 and /.well-known/x402. Not investment advice.

Full-text search across L402 and x402 service names and descriptions. Filter by protocol, status, category. Paginated results.

Aggregate stats across all listed services: totals, averages, top-rated, protocol breakdown. Paywalled (500 sats / $0.25 USDC). Supports L402 and x402.

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Semantic search for Telegram: search over 1M+ public channels, 170K+ public chats, 140K+ bots (continuously growing). Hybrid search using both vector embeddings and keywords with smart ranking. Search for similar channels/chats/bots by username. Receive from 100 to 1000 results depending on request. Docs: https://semagram.io/agent-api.md

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Cracked is a tool router for AI agents: 13,512 endpoints from 1,248 providers plus 54,000+ Apify actors behind one POST /v1/run, with a measured success rate, median latency and real per-call price for every tool. Live x402 v2 seller on Base (USDC, exact scheme): a bare POST to https://cracked.ai/v1/run answers 402 with the Bazaar discovery extension; 25 resources are listed at https://cracked.ai/.well-known/x402. Price per run is the provider price plus a $0.001 platform fee, quotes never below $0.01, and failed runs are never settled. Docs: https://cracked.ai/docs/x402. Contact: support@cracked.ai.

Low-cost current web search for autonomous agents with compact structured results and agent-native economics metadata.

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Detailed reputation report for a service: rating distribution, recent reviews, peer comparison. Paywalled (100 sats / $0.05 USDC). Supports L402 and x402.

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Per-service health report: uptime percentage, avg latency, probe history. Paywalled (50 sats / $0.025 USDC). Supports L402 and x402.

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