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messages

Count message tokens (Anthropic Messages API)

Returns a provider-agnostic heuristic estimate of the input token count.

post/v1/messages/count_tokens

Request body

cache_controlobject
max_tokensinteger
modelstring
stop_sequencesstring[]
streamboolean
temperaturenumber
top_kinteger
top_pnumber

Response

OK

input_tokensinteger