Firestore Error: Unable to create document inside a nested collection with REST API

Question

My firestore DB structure: 2020/abhishek/friend-requests/ where 2020 is a collection, abhishek is a document and friend-requests is a collection inside the document.

What am I trying to do?

I'm trying to create a new document inside friend-requests using REST API.

What I did so far?

I made a POST request to this endpoint: https://firestore.googleapis.com/v1/projects/fuze-eee88/databases/(default)/documents/2020/abhishek/friend-requests/?documentId=newdocument

Request body:

{
  "fields": {
    "status": {
      "booleanValue":"true"
    }
  }
}

The error I get:

{
    "error": {
        "code": 400,
        "message": "Document parent name \"projects/fuze-eee88/databases/(default)/documents/2020//abhishek\" lacks a resource id at index 55.",
        "status": "INVALID_ARGUMENT"
    }
}

Sathi Aiswarya · Accepted Answer · 2023-02-08 12:09:12Z

0

Seems you are getting that error because the document with the ID newdocument already exists in your Firestore database.You have to choose a unique ID for every new document that you add to Firestore database. You may try using a different ID, such as newdocument1 instead of new document.

You can have a look at below sample url

https://firestore.googleapis.com/v1/projects/<YOUR_PROJECT_ID>/databases/(default)/documents/<YOUR_COLLECTION_NAME>/<YOUR_DOCUMENT_ID>/<YOUR_SUBCOLLECTION_NAME>/?documentId=<YOUR_UNIQUE_ID>

After editing the above url as per your configuration will become:

https://firestore.googleapis.com/v1/projects/fuze-eee88/databases/(default)/documents/2020/abhishek/friend-requests/?documentId=newdocument1

edited Feb 8, 2023 at 12:09

answered Feb 8, 2023 at 9:51

Sathi Aiswarya

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