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POST
{base_url}
/
v1
/
messages
/
count_tokens
Error
A valid request URL is required to generate request examples
{
  "input_tokens": 123
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json

Anthropic Messages request

​
max_tokens
integer
​
messages
object[]
​
metadata
object
​
model
string
​
stop_sequences
string[]
​
stream
boolean
​
system
​
temperature
number
​
thinking
object
​
tool_choice
object
​
tools
object[]
​
top_k
integer
​
top_p
number

Response

OK

​
input_tokens
integer