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This site has a new structure, so older URLs no longer match. The content you want is likely one click away.
Browse the guides
Pick a guide that matches what you’re building.
- All guides: Task-oriented how-tos for backends, frontends, auth, testing, and deployment.
- Backends: Persist data, make HTTPS outcalls, schedule timers, and generate randomness.
- Frontends: Serve assets, integrate frameworks, configure custom domains, and certify responses.
- Authentication: Add passwordless login and verifiable user identity with Internet Identity.
- Chain Fusion: Connect canisters to Bitcoin, Ethereum, and Solana.
- Security: Access control, encryption, DoS prevention, and safe upgrade patterns.
Other places to look
- Quickstart: Build and deploy your first canister in minutes.
- Concepts: Explanations of ICP architecture and design decisions.
- Languages: Language-specific guides for Rust and Motoko.
- Reference: Specifications, canister IDs, cycle costs, and glossary.
You can also use the search bar at the top of the page to find what you need.