Description
Sitebix to EmailOctopus connects your site to EmailOctopus API v2:
- Connection — API key (encrypted in the database or via
wp-config.phpconstant), list picker, default contact status (subscribedvspendingfor double opt-in), connection test. - Sources — Multiple named profiles with field mapping (source keys EmailOctopus field tags), static tags, and optional dynamic tags from one payload field.
- WordPress user sync — Role filters, comparison against list contacts (paginated API), batched upserts via Action Scheduler when available, otherwise WP-Cron.
- Elementor Pro — Native “Sitebix EmailOctopus” form action after submit (mapping profile selector).
- Webhook — REST endpoint
POST /wp-json/sitebix-weo/v1/webhook/{source_id}with shared secret (?secret=orX-Sitebix-WEO-Secret). Optional IP allowlist. First-hit “hold until mapped” workflow with sample payload and replay. - Activity log — Custom database table; filterable/paginated admin log (created, updated, skipped, webhook held, errors, bulk sync).
No Composer dependencies. Rate limits (429) are handled with retries/backoff.
Developer: K. Young · Brand: Sitebix · Support: support@sitebix.com
Elementor Pro (native action)
- In Sitebix EO Sources & mapping, add an Elementor profile and map form field IDs to EmailOctopus tags (include one row for your list’s contact email field — often
emailAddressoremail_address). - Edit your Elementor form Actions After Submit add Sitebix EmailOctopus.
- Select the mapping profile and save.
Webhook (Elementor “Webhook” action or any HTTP client)
- Add a Webhook source; set a New webhook secret and save.
- Copy the Webhook URL from the source card. Append
?secret=YOUR_SECRETor send headerX-Sitebix-WEO-Secret: YOUR_SECRET. - On first receive, while mapping is incomplete or the source is inactive, the plugin holds the payload, stores a redacted sample, and returns HTTP 202. Complete mapping, set state to Active, check Active, then save. Use Replay sample if needed.
IP allowlist: One IP per line in the source settings; empty list allows all. Behind reverse proxies, REMOTE_ADDR may need server configuration for accuracy.
User sync & background processing
Bulk sync enumerates existing list contacts (paginated), compares to WordPress users (optional role checkboxes on the Connection tab), then upserts missing contacts in batches. If Action Scheduler is available (e.g. via WooCommerce), jobs run there; otherwise WP-Cron schedules follow-up ticks. Keep WP_CRON or a real cron visiting wp-cron.php enabled on budget hosts.
External services
This plugin connects to the EmailOctopus email marketing API (https://api.emailoctopus.com) so site owners can sync WordPress users and form submissions to EmailOctopus lists.
What it is used for: creating and updating EmailOctopus contacts, listing lists and fields, testing the API connection, and (when configured) comparing WordPress users to list contacts during bulk sync.
What data is sent and when:
* The site owner’s EmailOctopus API key is sent as a Bearer token on every API request (after they save it in settings, or via the optional SITEBIX_WEO_API_KEY constant).
* Contact data mapped by the site owner (at minimum an email address; optionally names, custom fields, and tags) is sent when a WordPress user is created/updated and matches sync rules, when an Elementor form action or webhook source processes a submission, when a held webhook sample is replayed, or when a bulk user sync runs.
* Connection tests and list/field lookups send only authentication and list identifiers — not contact payloads — when an admin uses those controls.
No contact data is sent until the site owner configures an API key and active mapping sources. EmailOctopus is operated by Three Hearts Digital Ltd.
- Terms of Use: https://emailoctopus.com/legal/terms
- Privacy Policy: https://emailoctopus.com/legal/privacy
Credits
Developed by K. Young for Sitebix.
Screenshots




Installation
- Upload the
sitebix-to-emailoctopusfolder towp-content/plugins/or install the ZIP via Plugins Add New Upload Plugin. - Activate Sitebix to EmailOctopus.
- Go to Sitebix EO in the admin menu.
- Enter your EmailOctopus API key (or define
SITEBIX_WEO_API_KEYinwp-config.php), choose a list, set default contact status, save, and use Test connection.
Optional wp-config.php override (key is never stored in the database when set):
define( 'SITEBIX_WEO_API_KEY', 'your-api-key-here' );
FAQ
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Will bulk sync work on large lists?
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The plugin paginates EmailOctopus contacts and processes WordPress users in pages. Very large lists increase memory use for the on-site email set; for huge directories consider segmenting by role or running off-peak.
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What happens on uninstall?
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By default options and the log table are removed. To retain data, add to a small must-use plugin or theme:
add_filter( 'sitebix_weo_uninstall_preserve_data', '__return_true' ); -
API rate limits?
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EmailOctopus applies token-bucket limits; the client backs off on HTTP 429 using
Retry-Afterwhen present.
Reviews
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Contributors & Developers
“Sitebix to EmailOctopus” is open source software. The following people have contributed to this plugin.
ContributorsTranslate “Sitebix to EmailOctopus” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.0.1
- Document EmailOctopus as an external service in the readme (terms and privacy links).
1.0.0
- Initial release.