Bitcoin, security, OSINT, and OpenAI-compatible tools for people and autonomous agents. Start with a real API call—no account, email, subscription, or credit card.
Credited session funding
Aggregate route totals
The post-quantum TLS checker includes 10 successful calls per identity each UTC day. No token, wallet, SDK, or registration is required.
curl -sS https://arkapi.dev/api/post-quantum-check \ -H 'Content-Type: application/json' \ -d '{"domain":"example.com"}' | jq # 200 · structured grade, evidence, # findings, and remediation steps
Use the web interface, an OpenAI-compatible SDK, curl, the official CLI, or MCP. Pay only when you need more—without building an identity profile first.
A clean web chat plus an OpenAI-compatible endpoint for code, research, and agent workflows. Three successful calls are included daily, then continue with sats.
arkapi_chat_completionsSecurity, OSINT, Bitcoin, web, translation, research, and utility tools under one funded balance—including multi-rail Bitcoin payment validation.
Fund a reusable bearer session with Ark or Lightning, or pay with Ark and sign requests locally from your wallet.
Browse live NadaNada plans, then continue through its Tor service with Lightning.
Humans can start in the browser. Agents can discover the OpenAPI spec, MCP tools, llms.txt, and the ArkAPI skill directly.
Use the web chat, /v1/chat/completions, or choose an API from the live catalog.
Pay over Ark or Lightning. No recurring plan, card, registration form, or account recovery flow.
Use a bearer token or sign Ark-402 requests locally. Route supported workflows over Tor when desired.
ArkAPI does not require a name, email address, password, or conventional user account. Public activity metrics remain aggregate.
Make a useful free call now. When you need the full catalog, 50 sats covers ten standard 5-sat calls.