Claude in the browser or via API?
Open Claude in your browser to chat, revise a draft, or discuss code.
Open the web app · claude.aiUse the Anthropic developer platform to call Claude from your code or create an API key.
See the developer entry · platform.claude.comCheck that the browser address bar shows claude.ai. If the page fails to open or redirects to an unfamiliar domain, consult the official guidance before entering your credentials.
Read official guidance
Official page reference

For visual reference, not brand certification. Pages may change; check the actual domain when visiting.

For visual reference, not brand certification. Pages may change; check the actual domain when visiting.
Uses & category
AI chat & assistantsQuestions, writing and everyday ideas
Company / organization & related entries
Anthropic · Product / service
Anthropic’s company website. Claude is a user-facing assistant; its developer platform provides API access.
Visit company / organization websitewww.anthropic.com
Other listed entries from this company / organization
Relationship checked: 2026-11-09 · Official relationship source