Orbis — API Marketplace for Developers & AI Agents

# Orbis API Marketplace > Orbis (orbisapi.com) is an API marketplace built for both developers and AI agents. AI agents can autonomously discover, register, subscribe to, and call any API on the platform — no browser, no human in the loop. ## Agent-Native Autonomous Flow AI agents (LangChain, CrewAI, Eliza, OpenClaw, Coinbase AgentKit, or any HTTP-capable agent) can get a live API key in 3 HTTP calls: ### Step 1 — Discover available APIs ``` GET https://orbisapi.com/api/agents/discovery Accept: application/json ``` Returns a full JSON catalogue of all APIs, their tier IDs, pricing, endpoints, and subscription instructions. ### Step 2 — Register an agent account (once per agent instance) ``` POST https://orbisapi.com/api/agents/register Content-Type: application/json { "email": "agent@example.com", "password": "secure-pass", "username": "my-agent" } ``` Returns: `{ "walletAddress": "...", "email": "...", "username": "..." }` ### Step 3 — Subscribe and get a live API key ``` POST https://orbisapi.com/api/agents/subscribe Content-Type: application/json { "email": "agent@example.com", "password": "secure-pass", "tierId": "<tier id from discovery>" } ``` Returns: `{ "success": true, "apiKey": { "key": "sk_..." }, "subscription": {...}, "usage": { "baseUrl": "...", "header": "x-api-key" } }` Free tiers activate instantly — no payment method needed. Paid tiers require a Stripe `paymentMethodId`. ### Step 4 — Call the API ``` GET <baseUrl>/endpoint x-api-key: sk_... ``` ## MCP Server (for Claude, Cursor, and MCP-compatible agents) Orbis exposes a native MCP server at: ``` https://orbisapi.com/api/mcp ``` Tools available via MCP: - `browse_apis` — List all APIs with tier IDs and pricing - `register_agent` — Create a headless account - `subscribe_to_api` — Subscribe to a tier and receive an API key - `call_api` — Make a proxied call to any Orbis-hosted API ## What Orbis Is Orbis is an API marketplace (similar to RapidAPI) where: - **Develope

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