curl --location 'https://auth.zamupay.com/apps/graph/oauth/v1/generate' \
--header 'Authorization: Basic {{basic_auth}}' \
--header 'Content-Type: application/json' \
--data '{
"grant_type": "client_credentials",
"client_id": "{{client_id}}",
"client_secret": "{{client_secret}}"
}'{
"access_token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9...",
"token_type": "Bearer",
"expires_in": 3600
}