Stackexchange Plans Pricing
The public Stack Exchange API v2.3 is free to use for both commercial and non-commercial applications under the Stack Exchange API Terms of Use. Anonymous (no-key) callers get 300 requests per IP per day; registering a free app on stackapps.com and sending the resulting `key` parameter raises the daily quota to 10,000 requests per IP. Stack Overflow for Teams is a separate paid product with seat-based and tiered pricing for private workspaces; the Stack Overflow MCP beta server is currently free to use up to 100 calls per user per day. Always consult the provider's pricing pages for current numbers — values below are documented behavior captured from api.stackexchange.com but not freshly reconciled against the live page.
Stackexchange Plans Pricing is the machine-readable pricing-plan profile for Stack Exchange on the APIs.io network, in the API Commons Plans shape.
It defines 3 plans, covering freemium and tiered tiers, with named plans including Public API (Free), Stack Overflow MCP (Beta), Stack Overflow for Teams.
This profile was written by API Evangelist and has not been verified against a page the provider published; treat every figure as unconfirmed until a dated transcription replaces it.
Tagged areas include Q And A, Developer Community, Knowledge API, Stack Overflow, and Free Tier.
generated, dated 2026-05-29.
Plans
Free public access to the Stack Exchange API v2.3 across all 180+ Q&A sites. No key required; commercial use permitted under the API Terms of Use.
- Read access to questions, answers, comments, users, tags, badges, sites
- OAuth 2.0 for write operations
- Custom response filters
- Vectorized id fetch (up to 100 ids per call)
- Per-site or network-wide queries via the site parameter
Official Stack Overflow MCP server hosted by Stack Exchange. Currently in beta with a per-user daily cap; free during the beta period.
- Search Stack Overflow questions and answers
- Retrieve full conversation threads
- Ground LLM responses in community-verified content
- OAuth onboarding with Stack Overflow account
Paid SaaS product offering private Stack Overflow instances for organizations. Pricing is seat- and tier-based (Basic, Business, Enterprise) with custom Enterprise contracts. See https://stackoverflow.co/teams/pricing/ for current per-seat numbers.
- Private Q&A workspace
- Stack Overflow for Teams API v3
- TypeScript SDK
- Terraform Provider
- Backstage Plugin
- LangChain Integration
Sources
- https://api.stackexchange.com/docs
- https://api.stackexchange.com/docs/throttle
- https://stackapps.com/apps/oauth/register
- https://stackoverflow.co/teams/pricing/
- https://github.com/StackExchange/Stack-MCP
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.