List campaigns.

Publish a Canva email design as a draft campaign.

Get the latest Canva design state for auto-selecting campaigns.

Publish a Studio email export as a draft campaign.

List all custom fields (pagination).

Create a custom field.

List all custom fields.

List all segments.

Create a segment.

List all segment colors.

Retrieve a segment.

List all subscribers.

Create or update a subscriber.

Create or update up to 50 subscribers in a single request.

Retrieve a subscriber.

Remove the subscriber from segments.

Add the subscriber to segments.

Unsubscribe from all lists.

List all webhooks.

Create a webhook.

Delete a webhook.

Retrieve a webhook.

Update a webhook.

List workflows.

Notes:

Remove a subscriber from workflow.

Local profile labels/default/auth method only. No keys, token paths, provider identity or network request.

Local reviewed method/path/query/body schema and provenance for one native tool. No credentials or provider request.

One fixed UserInfo GET for an explicitly selected externally minted OAuth access token. API keys refuse; no refresh, OAuth login or fallback.

Local validation and SHA-256 of exact ordered subscriber/segment/workflow/custom-field work, selected profile label and reviewed schema. No provider reads, key load, identity check, price or rollback guarantee.

Confirmed one-to-twenty ordered subscriber/segment/workflow/custom-field tasks. Prevalidate all and verify exact hash before first request. Stop on first failure with known results/failed index/unattempted indices; no retries, rollback or implicit continuation.

Confirmed one-page GET saved only to an exclusive new0600 JSON file. No CSV/cohort export, all-pages loop, overwrite, automatic upload or browser preview.