curl --request GET \
  --url https://app.yampi.ai/api/v1/accounts/{account_id}/treasury/subscriptions/{subscription_id}/collection_steps \
  --header 'api_access_token: <api-key>'

const options = {method: 'GET', headers: {api_access_token: '<api-key>'}};

fetch('https://app.yampi.ai/api/v1/accounts/{account_id}/treasury/subscriptions/{subscription_id}/collection_steps', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.yampi.ai/api/v1/accounts/{account_id}/treasury/subscriptions/{subscription_id}/collection_steps"

headers = {"api_access_token": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

[
  {}
]

{
  "description": "<string>",
  "errors": [
    {
      "field": "<string>",
      "message": "<string>",
      "code": "<string>"
    }
  ]
}

{}

{}