In REST documents an integer field comes back as a JSON string (integerValue: "42", int64 format), while a double is a JSON number (doubleValue: 3.5).

Cloud Firestore (Firebase) REST API · GET /v1/projects/{project}/databases/{database}/documents/{collection}/{document} · HTTP 200

Status: ✅ verified:server:prod · first seen 2026-10-24 · last confirmed 2026-10-27 · 43 confirmations from 2 vantages

What to do

  1. No client-side fix known (by design).

Dimensions

env: prod · plan: any · region: any · account_state: service_account

Evidence

Probe af:google-firestore:probe:typed-document (declarative, source) · official doc: https://firebase.google.com/docs/firestore/reference/rest/v1/Value

Observations: none from reporters yet.

Machine access

curl -s https://apifacts.dev/v0/check \
  -H 'content-type: application/json' \
  -d '{"target":{"method":"GET","url":"https://firestore.googleapis.com/v1/projects/{project}/databases/{database}/documents/{collection}/{document}"},"error":{"status":200}}'

YAML: facts/google-firestore/integer-value-is-a-string.yaml

Data: CC BY 4.0 · apifacts registry · This page is generated; edit the YAML, not the page.