curl --request POST \
  --url https://platform-us.plaud.ai/developer/api/oauth/partner/access-token/refresh \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: <content-type>' \
  --data 'refresh_token=<string>'

import requests

url = "https://platform-us.plaud.ai/developer/api/oauth/partner/access-token/refresh"

payload = { "refresh_token": "<string>" }
headers = {
    "Content-Type": "<content-type>",
    "Authorization": "Basic <encoded-value>"
}

response = requests.post(url, data=payload, headers=headers)

print(response.text)

{
  "access_token": "eyJhbGciOiJSUz...",
  "refresh_token": "eyJhbGci...",
  "token_type": "bearer",
  "expires_in": 3600
}