anthropic / claude / messages-count-tokens

Claude API

Anthropic's Claude API, resold: point the Anthropic SDK at SFAIE and pay in credits.

POST/anthropic/claude/v1/messages/count_tokens1 credit / call

Counts the input tokens a messages request would use, without running it.

Parameters

model: required · claude-opus-5, claude-sonnet-5 or claude-haiku-4-5
messages: required · at least one, roles user and assistant
system: optional

Request

curl -X POST https://api.sfaie.com/anthropic/claude/v1/messages/count_tokens \
  -H "x-api-key: $SFAIE_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{ "model": "claude-opus-5", "messages": [{ "role": "user", "content": "Say hi." }] }'

Response

{
  "input_tokens": 12
}

Try it

Body

Calls are real. Accepted calls cost 1 credit.