Navigate

Start Docs Pricing Changelog Blog Status

More

Sign In Get Started

Changelog

This is a quick overview of the latest changes and additions.

Version 1.5.0 (2025-07-04)

Standardize all error responses to JSON:API format and switch to camelCase naming convention

Added

  • Consistent JSON:API error format for all 4xx and 5xx responses

  • Error documentation in OpenAPI spec with example format

Changed

  • All API parameter names converted from snake_case to camelCase (e.g., provider_id → providerId)

  • All request body field names converted to camelCase (e.g., save_to_sent → saveToSent)

  • Schema references renamed to camelCase convention

  • Operation IDs updated to camelCase format

  • Provider update endpoint now uses PATCH method instead of separate activate/deactivate endpoints

  • All ID fields in responses are now strings instead of integers for consistency

Deprecated

  • Separate /activate and /deactivate endpoints removed in favor of PATCH with active field

Version 1.4.2 (2025-06-30)

Introduce Global Streams for automatic email collection across all providers

Read more in our blog post

Added

  • Global stream type that automatically includes all active providers

  • Every account now gets an “All Emails” global stream on creation

  • Visual indicators and tooltips for global streams in the UI

  • Protection against deleting or modifying system-managed global stream fields

Changed

  • Streams now have a stream_type field (standard or global)

  • Stream index page shows global streams first

  • API returns 422 error when attempting to delete global streams

Version 1.4.1 (2025-06-20)

Enhanced webhook monitoring and UI improvements

Read more in our blog post

Added

  • Comprehensive webhook event tracking with request/response details

  • Success rate indicators on streams page

  • Color-coded performance chips for webhook health

  • Improved event details view with copy functionality

Changed

  • Unified table-based layouts across all index pages

  • Removed redundant stream detail pages

  • Replaced inline JavaScript with Stimulus controllers

Version 1.4.0 (2025-06-19)

Add HTML body support to webhook payloads

Added

  • {“showHtmlBody field to Stream API for controlling HTML inclusion in webhooks (default”=>”true)”}

  • bodyHtmlSanitized field now populated in webhook payloads when showHtmlBody is enabled

  • Existing streams automatically get HTML body in webhooks (backwards compatible)

Changed

  • Stream API responses now include showHtmlBody attribute

Version 1.3.2 (2025-06-14)

Save sent emails to IMAP sent folders with smart provider defaults

Added

  • {“save_to_sent parameter to control saving sent messages (default”=>”true)”}

  • sent_folder parameter to specify custom sent folder location

  • Smart default folder detection (Gmail “Sent Mail”, Outlook “Sent Items”, others “Sent”)

  • Automatic saving of sent emails to IMAP folders for visibility in email clients

Version 1.3.1 (2025-06-14)

Add Reply-To to message sending

Added

  • Reply-To field for sending emails

Version 1.2.0 (2024-08-30)

General Performance Improvements

Version 1.1.0 (2024-02-04)

OpenAPI 3.1 compliant

Changed

  • The whole API is now OpenAPI 3.1 compliant

  • The documentation was improved

  • Error Messages are now using application/problem+json MIME-type and are JSON:API 1.1 compliant

  • Minor Bugfixes

Deprecated

  • Removed the RECENT endpoint as it was superseeded by the SEARCH endpoint

Version 1.0.6 (2024-01-29)

Improved Threads Endpoint

Changed

  • The threads endpoint is now json:api compliant. You can page it and get all messages of a thread nested into the response.

Version 1.0.5 (2024-01-17)

New search endpoint

Added

  • The Sunnybox API now has a search endpoint for filtering mailboxes.

Version 1.0.4 (2024-01-11)

Make Sunnybox API ChatGPT compliant

Read more in our blog post

Changed

  • The Sunnybox API now works with OpenAIs implementation of OpenAPI.

Version 1.0.3 (2023-12-20)

New Threads endpoint

Added

  • You can now view the thread structure of your IMAP Account via the threads endpoint. The endpoint will probably get some more polish but it’s there for you to try out now.

Changed

  • There were some internal updates to improve speed and the application itself.

Version 1.0.2 (2023-12-01)

Message Flagging

Added

  • You can add remove or replace message flags via our new patch message endpoint

Version 1.0.1 (2023-12-01)

Autoconfig UI

Read more in our blog post

Added

  • You can now quickly add new mail accounts via our autoconfig feature in the admin ui too

  • When fetching messages you can now flag them to be set as seen

Version 1.0.0 (2023-11-20)

Sunnybox API is now stable.

Read more in our blog post

Added

  • Toggle to show the headers of all fetched messages

Changed

  • Sending messages has been enhanced to include CC, BCC, Plain Body and HTML Body

  • Returned list of messages has been reversed (newest is the first array item)

Version 1.0.0-rc.2 (2023-11-18)

Sunnybox now adds an endpoint for automatic imap provider creation. This endpoint deducts configuration settings from Thunderbird-Database and DNS SRV records.

Read more in our blog post

Added

  • Create a new IMAP Provider via automatic configuration API Endpoint: https://api.sunnybox.io/api/v1/imap_providers/autoconfig.

Changed

  • Payload nesting for imap_providers CRUD (post/patch/put)

Version 1.0.0-rc.1 (2023-09-28)

Sunnybox now supports the creation of Streams. A Stream can group Providers together and posts new mails to a given callback URL.

Read more in our blog post

Added

  • Message Streams

  • Webhooks via Message Streams

Changed

  • Improve robustness with for handling certain non UTF-8 compliant notifications

  • Minor Bugfixes