# Changelog

## 2026-11-12

- API keys are free to create: any account gets 250 calls a month. Keys used to need a subscription.
- An OpenAPI 3.1 document at `/openapi.json`.
- These docs, each page also available as Markdown, plus `/skill.md` and `/llms-full.txt`.
- Sign-in for MCP clients: `/api/oauth/mcp` connects Claude, ChatGPT, Cursor and VS Code to your account over OAuth, with no key to paste.

## 2026-10-14

- MCP server 1.4.0: free `get_ipo_pipeline` and `get_ipo_filings` tools, three prompts and the `iposignal://guide` resource.

## 2026-09-23

- API keys for subscribers, as an alternative to paying per call over x402.
- IPO events endpoint and tool: lock-up expiries, quiet-period expiries and listings with first-day results.
- MCP tools split into free and premium tiers, with premium tools paid over x402 at the HTTP price.