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@@ -605,6 +605,8 @@ Table of Contents
   * [cloudkarafka.com](https://www.cloudkarafka.com/) - Free Shared Kafka cluster, up to 5 topics, 10MB data per topic and 28 days of data retention.
   * [pubnub.com](https://www.pubnub.com/) - Swift, Kotlin and React messaging at 1 million transactions each month. Transactions may contain multiple messages.
   * [eyeson API](https://developers.eyeson.team/) - A video communication API service based on WebRTC (SFU, MCU) to build video platforms. Allows RealTime Data Injection, Video Layouts, Recordings, a fully featured hosted web UI (quickstart) or packages for custom UIs. Has a [free tier for developers](https://apiservice.eyeson.com/api-pricing) with 1000 meeting minutes a month.
+  * [Upstash Kafka](https://upstash.com/kafka) - Serverless Kafka Cloud offering with per-request-pricing. It has a free tier with max 10000 messages per day.
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 **[⬆ back to top](#table-of-contents)**