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[API Development](/categories/api) 4. / 5. netresearch/sdk-api-universal-messenger ActiveLibrary[API Development](/categories/api) netresearch/sdk-api-universal-messenger ======================================= Implementation of the Universal Messenger API 3.0.1(2w ago)22.0k↓90%[1 issues](https://github.com/netresearch/sdk-api-universal-messenger/issues)1MITPHPPHP ^8.2CI passing Since May 28Pushed 2w ago2 watchersCompare [ Source](https://github.com/netresearch/sdk-api-universal-messenger)[ Packagist](https://packagist.org/packages/netresearch/sdk-api-universal-messenger)[ RSS](/packages/netresearch-sdk-api-universal-messenger/feed)WikiDiscussions main Synced 1w ago READMEChangelog (10)Dependencies (53)Versions (15)Used By (1) [![Latest version](https://camo.githubusercontent.com/ff23558f824745a3b1cc353bbff4a259d219f91a27e153e0840e5c010fbea18e/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f762f72656c656173652f6e657472657365617263682f73646b2d6170692d756e6976657273616c2d6d657373656e6765723f736f72743d73656d766572)](https://github.com/netresearch/sdk-api-universal-messenger/releases/latest)[![License](https://camo.githubusercontent.com/0643cc39f51786aa6d6ae15bb54ce06ed2b780821d2abd06ba4816ada02afb66/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f6c6963656e73652f6e657472657365617263682f73646b2d6170692d756e6976657273616c2d6d657373656e676572)](https://github.com/netresearch/sdk-api-universal-messenger/blob/main/LICENSE)[![CI](https://github.com/netresearch/sdk-api-universal-messenger/actions/workflows/ci.yml/badge.svg)](https://github.com/netresearch/sdk-api-universal-messenger/actions/workflows/ci.yml) Universal Messenger API ======================= [](#universal-messenger-api) The documentation for all requests can be found at [Universal Messenger API Documentation](doc/Developer_de_UM_7-64.pdf). The Universal Messenger API SDK package offers an interface to the *Universal Messenger* interface. The SDK currently implements only the endpoints and data structures that were required at the time of development. Table of contents ----------------- [](#table-of-contents) - [Requirements & Installation](doc/Requirements.md) - [Basic usage & Limitations](doc/Basic.md) - [Endpoints](doc/Endpoints.md) - [Error handling](doc/ErrorHandling.md) Compatibility ------------- [](#compatibility) The Universal Messenger REST API is not versioned on the client side. The SDK addresses fixed endpoints, and the behaviour — most notably the authentication scheme — depends on the Universal Messenger server version that is deployed. Authentication is therefore what distinguishes the server generations, and the SDK major version reflects the supported era: SDKAuthenticationUniversal Messenger server`^2.0`API token via the `umopen`/`open` query parameter (`cmsbs.open`)UM before 7.56`^3.0`API key (public key + secret) via HTTP basic authenticationUM 7.56.0 and laterPin the SDK major version to match your Universal Messenger server. The `umopen`/`open` token is deprecated since UM 7.41 and, while it still works transitionally, will be removed; from UM 7.56.0 an API key is required. See section *API-Schlüssel* of the [developer documentation](doc/Developer_de_UM_7-64.pdf). ### Health Score 49 — FairBetter than 94% of packages Maintenance86 Actively maintained with recent releases Popularity25 Limited adoption so far Community13 Small or concentrated contributor base Maturity61 Established project with proven stability Bus Factor2 2 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~78 days Recently: every ~48 days Total 11 Last Release 20d ago Major Versions 1.1.3 → 2.0.02026-07-13 2.0.0 → 3.0.02026-07-14 PHP version history (3 changes)1.0.0PHP >=8.1.0 <8.4.0 1.1.0PHP >=8.2.0 <8.5.0 1.1.2PHP ^8.2 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/151247?v=4)[Netresearch DTT GmbH](/maintainers/netresearch)[@netresearch](https://github.com/netresearch) --- Top Contributors [![magicsunday](https://avatars.githubusercontent.com/u/564393?v=4)](https://github.com/magicsunday "magicsunday (35 commits)")[![CybotTM](https://avatars.githubusercontent.com/u/326348?v=4)](https://github.com/CybotTM "CybotTM (20 commits)")[![renovate[bot]](https://avatars.githubusercontent.com/in/2740?v=4)](https://github.com/renovate[bot] "renovate[bot] (16 commits)") --- Tags api-clientnewsletterphpphp-librarysdkuniversal-messenger ### Code Quality TestsPHPUnit Static AnalysisPHPStan, Rector Code StylePHP CS Fixer Type Coverage Yes ### Embed Badge ![Health badge](/badges/netresearch-sdk-api-universal-messenger/health.svg) ``` [![Health](https://phpackages.com/badges/netresearch-sdk-api-universal-messenger/health.svg)](https://phpackages.com/packages/netresearch-sdk-api-universal-messenger) ``` ### Alternatives [telnyx/telnyx-php Official Telnyx PHP SDK — APIs for Voice, SMS, MMS, WhatsApp, Fax, SIP Trunking, Wireless IoT, Call Control, and more. 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