emulate

MongoDB Atlas

MongoDB Atlas emulation with Atlas Admin API v2 and Atlas Data API v1. In-memory document storage with CRUD, filtering, and aggregation.

Admin API

Projects

  • GET /api/atlas/v2/groups — list projects
  • GET /api/atlas/v2/groups/:groupId — get project
  • POST /api/atlas/v2/groups — create project
  • DELETE /api/atlas/v2/groups/:groupId — delete project (cascades clusters and data)

Clusters

  • GET /api/atlas/v2/groups/:groupId/clusters — list clusters
  • GET /api/atlas/v2/groups/:groupId/clusters/:clusterName — get cluster
  • POST /api/atlas/v2/groups/:groupId/clusters — create cluster
  • PATCH /api/atlas/v2/groups/:groupId/clusters/:clusterName — update cluster
  • DELETE /api/atlas/v2/groups/:groupId/clusters/:clusterName — delete cluster

Database Users

  • GET /api/atlas/v2/groups/:groupId/databaseUsers — list database users
  • GET /api/atlas/v2/groups/:groupId/databaseUsers/admin/:username — get database user
  • POST /api/atlas/v2/groups/:groupId/databaseUsers — create database user
  • DELETE /api/atlas/v2/groups/:groupId/databaseUsers/admin/:username — delete database user

Data Explorer

  • GET /api/atlas/v2/groups/:groupId/clusters/:clusterName/databases — list databases
  • GET /api/atlas/v2/groups/:groupId/clusters/:clusterName/databases/:databaseName/collections — list collections

Data API

All operations via POST with JSON body specifying dataSource, database, and collection:

  • POST /app/data-api/v1/action/findOne — find one document
  • POST /app/data-api/v1/action/find — find many (filter, projection, sort, limit, skip)
  • POST /app/data-api/v1/action/insertOne — insert one document
  • POST /app/data-api/v1/action/insertMany — insert many documents
  • POST /app/data-api/v1/action/updateOne — update one document ($set, upsert)
  • POST /app/data-api/v1/action/updateMany — update many documents
  • POST /app/data-api/v1/action/deleteOne — delete one document
  • POST /app/data-api/v1/action/deleteMany — delete many documents
  • POST /app/data-api/v1/action/aggregate — aggregation pipeline ($match, $limit, $skip, $sort, $project, $count)