Documentation Index
Fetch the complete documentation index at: https://docs.dacard.ai/llms.txt
Use this file to discover all available pages before exploring further.
Public route used by the unsubscribe link in transactional and ritual emails. Token-bound; no auth required. Tokens are minted per recipient on first email and persisted in email_preferences.
GET (preview)
curl -X GET "https://app.dacard.ai/api/unsubscribe?token=usb_..."
POST (commit)
curl -X POST https://app.dacard.ai/api/unsubscribe \
-H "Content-Type: application/json" \
-d '{
"token": "usb_...",
"categories": ["product_updates", "ritual_emails"],
"all": false
}'
| Property | Value |
|---|
| Auth | Not required (token is the binding) |
| Idempotent | Yes |
Body
| Field | Type | Required | Notes |
|---|
token | string | yes | The token from the email link. |
categories | string[] | no | Categories to opt out of. |
all | boolean | no | If true, opts out of all marketing categories. Transactional emails still send. |
Categories
product_updates, ritual_emails, score_decay_reminders, peer_benchmark_updates, weekly_digest. Transactional categories (account, billing, security) cannot be opted out of.
Errors
| Status | Code | When |
|---|
| 400 | Token required | No token. |
| 404 | Token invalid | Bad or aged-out token. |
| 500 | INTERNAL_ERROR | Write failed. |
placeholder, breaking CAN-SPAM compliance).
