Is firestore a REST API?

The REST API can be helpful for the following use cases: Accessing Cloud Firestore from a resource-constrained environment, such as an internet of things (IoT) device, where running a complete client library is not possible. Automating database administration or retrieving detailed database metadata.

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Is firestore a backend?

Cloud Firestore ships with mobile and web SDKs and a comprehensive set of security rules so you can access your database without needing to stand up your own server. Using Cloud Functions, our serverless compute product, you can execute hosted backend code that responds to data changes in your database .

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