Get the attachment (member token)
The member’s latest attachment, with a fresh attach_url while it is pending.
attach_url while it is
pending.Authorizations
The user's connection access_token (user authentication), or an org-minted buy_token for org-owned accounts.
Response
The attachment.
card_attachment The attachment id.
pending — the user has not finished the attach link. active — attached; create_card now mints against this card. ineligible — this card cannot be attached; fall back to wallet funding + create_card.
pending, active, ineligible The hosted link the user opens to add their card. Present only on the start response.
When the attach link expires (48 hours). Present only on the start response.
Display details of the attached card. Present when status is active.
Why the card cannot be attached (e.g. issuer_excluded, commercial_card). Present when status is ineligible.
Human-readable guidance. Present when status is ineligible.

