Codeforces
dev-tools:codeforces · codeforces.com/apiHelp ↗
Competitive programming: users, contests and problems.
About the Codeforces API
Codeforces API on Apizie: 3 endpoints (Users, Contests, Problems) returned as clean JSON through one API key. 3 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/dev-tools:codeforces/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.
| Project key | dev-tools:codeforces |
|---|---|
| Status | Live |
| Endpoints | 3 |
| Category | Dev Tools |
| Source | codeforces.com/apiHelp |
| Base URL | https://zieapi.vercel.app/v1/dev-tools:codeforces/{endpoint} |
| For AI tools | OpenAPI spec · Markdown (what is this?) |
Codeforces API FAQ
How do I call the Codeforces API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/dev-tools:codeforces/user with the header x-api-key. Every endpoint returns { project, data, timestamp }.
Is the Codeforces API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.
Can AI agents use the Codeforces API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key dev-tools:codeforces.
What is the status of the Codeforces API?
Live: works with just an Apizie key