Use Claude models such as Claude Sonnet 4.6, Claude Haiku, Claude Opus on TypingMind via API! Here’s how to set up on TypingMind.Documentation Index
Fetch the complete documentation index at: https://docs.typingmind.com/llms.txt
Use this file to discover all available pages before exploring further.
Step 1: Create an Anthropic API account
- Create an Anthropic Claude API account at https://console.anthropic.com/login
Step 2: Top up your API credit
Go to Billing section to top up your API credit to use the models:
Step 3: Get your API key
- Create a new API key at https://console.anthropic.com/settings/keys
- Copy the key to a safe place
Step 4: Enter your API key to TypingMind
- Go to typingmind.com
- Navigate the Models menu on the left sidebar → Switch to API key tab
- Input the copied API key

Advanced settings
Custom endpoint: Use the direct endpointhttps://api.anthropic.com/v1/messages or configure your own custom chat completions endpoint.
Common issue:
“Could not connect to Anthropic API. Please try again later. Error code:400”This issue may appear when your credit balance is too low to access the Claude API. Please check and add your credit balance at https://console.anthropic.com/settings/plans, then try again.