Get Shopify OAuth connect URL
Initiate the Shopify OAuth flow for a store. Shopify is a connect-only platform: the connected account does not publish social posts, it powers the Blogs API (/v1/accounts/{accountId}/blogs) and the Products API (/v1/accounts/{accountId}/products). Returns an authUrl to redirect the merchant to; after they approve the install, Shopify redirects their browser to Zernio's callback, the account is created on the profile (platform shopify), and the browser is redirected to redirect_url (or the Zernio dashboard when omitted). Requested scopes are read_content, write_content, read_products and write_products (content and products only; no customer or order data). Connecting the same profile to a store again refreshes the stored token in place, and is how a store connected under the older content-only grant picks up product access.
Query parameters
Your Zernio profile ID (get from /v1/profiles).
The myshopify.com store domain to connect, e.g. your-store.myshopify.com (the bare your-store prefix is accepted too).
Your custom redirect URL after connection completes. MUST be an absolute http(s) URL or a custom app scheme for mobile deeplinks (e.g. myapp://callback); a relative path is rejected with 400 INVALID_REDIRECT_URL. On failure an error query param is appended.
Response
OAuth authorization URL to redirect the merchant to