StateSet API Docs

curl --request POST \
  --url 'https://api.nsr.stateset.com/v1/messages/count_tokens' \
  --header 'X-API-Key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "input_tokens": 1
}

POST

messages

count_tokens

curl --request POST \
  --url 'https://api.nsr.stateset.com/v1/messages/count_tokens' \
  --header 'X-API-Key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "input_tokens": 1
}

Claude Code and the Anthropic SDKs call this before sending requests. Required scope: write

Request body

JSON body of type any.

Response

CountTokensResponse

integer (int32)

required

Status codes

Code	Meaning
`200`	Estimated input token count
`401`	Unauthorized — missing or invalid credentials
`403`	Forbidden — the key/token lacks the required scope
`429`	Rate limited — see Retry-After / X-RateLimit-Reset

curl --request POST \
  --url 'https://api.nsr.stateset.com/v1/messages/count_tokens' \
  --header 'X-API-Key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "input_tokens": 1
}

​Request body

​Response

​Status codes

Request body

Response

Status codes