8K Intel Developer Docs
Build on real-time SEC 8-K filing intelligence. Access structured filing data, AI summaries, and sentiment analysis through REST API, WebSocket streaming, MCP, A2A, and webhooks.
Quickstart
Create an account
Sign up at 8kintel.com/signup — the app and web dashboard are free.
Subscribe to a Developer plan
Go to Settings → API Access and choose Developer ($29/mo) or Pro ($99/mo).
Create an API key
In Settings → API Keys, create a key. Include it as a Bearer token in all API requests.
Make your first request
Fetch the latest filings:
curl -H "Authorization: Bearer YOUR_API_KEY" \ https://api.8kintel.com/api/v1/filings?limit=5
Base URL & Authentication
https://api.8kintel.comwss://ws.8kintel.comhttps://api.8kintel.com/mcpAll requests require a Bearer token in the Authorization header. Use your API key (Developer/Pro plans) or Cognito JWT access token.
Plans
Mobile app + web dashboard. No API access.
REST API (100 req/min), WebSocket, MCP, webhooks (5 endpoints).
Everything in Developer + A2A Protocol (1000 req/min), webhooks (25 endpoints).
Access Methods
REST API
Developer+Paginated endpoints for filings, companies, watchlists, and earnings. JSON responses with full OpenAPI spec.
WebSocket
Developer+Real-time streaming connection. Receive filing alerts the instant they're processed — no polling required.
MCP Server
Developer+Give your AI agent direct access to 8-K filings via the Model Context Protocol. 5 built-in tools.
A2A Protocol
Pro+Agent-to-Agent protocol for autonomous workflows. Submit tasks, search filings, and monitor tickers.
Webhooks
Developer+Register HTTPS endpoints to receive real-time filing events. HMAC-SHA256 signed payloads.
Rate Limits
| Plan | Rate Limit | WebSocket | Webhooks |
|---|---|---|---|
| Developer | 100 req/min | 1 connection | 5 endpoints |
| Pro | 1,000 req/min | 5 connections | 25 endpoints |
Rate-limited responses return HTTP 429 with a Retry-After header.