Envelopes are shared, not documents.
If you know the envelope_id, you can use the Envelopes:get API call.
If you want a list of the envelopes that were shared with you, then I'd try the Folders:list and Folders:listItems. See docs
I'd also turn on API logging, then list the envelopes via the DocuSign web app to see how the web app uses the API to obtain the list of envelopes that were shared with you.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…