from channel3_sdk import Channel3
from channel3_sdk.environment import Channel3Environment

client = Channel3(
    api_key="<value>",
    environment=Channel3Environment.PRODUCTION,
)

client.collections.retrieve(
    collection_id="collection_id",
)

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

fetch('https://api.trychannel3.com/v1/collections/{collection_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request GET \
  --url https://api.trychannel3.com/v1/collections/{collection_id} \
  --header 'x-api-key: <api-key>'