OpenAI groups do not support this endpoint. Use it with Anthropic-compatible groups, and verify support for Gemini-compatible groups before relying on it in production.

curl https://anyroute.io/v1/messages/count_tokens \
  -H "Authorization: Bearer YOUR_ANYROUTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-3-5-haiku-20241022",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Messages

Anthropic-compatible Messages API.

Models

List models visible through the selected API key group.

API ReferenceAnthropic

Count Tokens

Count tokens for Anthropic-compatible requests when supported by the group.

Use POST /v1/messages/count_tokens for Anthropic-compatible token counting.

OpenAI groups do not support this endpoint. Use it with Anthropic-compatible groups, and verify support for Gemini-compatible groups before relying on it in production.

curl https://anyroute.io/v1/messages/count_tokens \
  -H "Authorization: Bearer YOUR_ANYROUTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-3-5-haiku-20241022",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Messages

Anthropic-compatible Messages API.

Models

List models visible through the selected API key group.