Mosaic Open API

aid: mosaic-app:open-api
name: Mosaic Open API
description: The Mosaic Open API exposes the workforce, project, and financial data Mosaic manages so
  firms can build custom integrations beyond the packaged ERP and PM connectors. It authenticates via
  API token and covers people, projects, phases, tasks, time entries, and work plans.
humanURL: https://readme.mosaicapp.com/reference/authentication
tags:
- Open API
- Time Entries
- Work Plans
- Projects
- People
- Custom Integrations
properties:
- type: Documentation
  url: https://readme.mosaicapp.com/
- type: APIReference
  url: https://readme.mosaicapp.com/reference/authentication
- type: ChangeLog
  url: https://readme.mosaicapp.com/changelog
- type: LLMSTxt
  url: https://readme.mosaicapp.com/llms.txt
- type: GettingStarted
  url: https://readme.mosaicapp.com/docs/integration-steps
features:
- name: People and Capacity
  description: Read and write people, roles, capacities, and team structure.
- name: Projects, Phases, and Tasks
  description: Create and update projects, subphases, work categories, scope, and tasks.
- name: Work Plans
  description: Push allocations and work plans into Mosaic for resource scheduling.
- name: Time Entries
  description: Submit timesheets and time entries (with or without subphases).
- name: Currency Exchange Rates
  description: Manage exchange-rate uploads for multi-currency firms.
- name: Token-Based Authentication
  description: Per-tenant API tokens issued from the Mosaic admin console.
useCases:
- name: Custom ERP Integration
  description: Build a connector to an ERP that Mosaic doesn't yet support natively.
- name: HRIS Sync
  description: Sync people, hires, terminations, and capacity from a custom HRIS.
- name: Forecast Export
  description: Pull Mosaic forecasts into a data warehouse or BI tool.
- name: Time Entry Automation
  description: Bulk-upload time entries from a custom timekeeping flow.
integrations:
- name: Deltek Ajera (Cloud + On-Premise)
- name: Deltek Vantagepoint
- name: Deltek Vision
- name: Deltek Costpoint Cloud
- name: Unanet
- name: BST10
- name: BQE Core
- name: QuickBooks (Online + Desktop)
- name: Salesforce
- name: Microsoft Dynamics 365
- name: Asana
- name: Jira
- name: GitHub
- name: Karbon
- name: BambooHR
- name: Slack
- name: SQL Server (Direct Database + Replication)
- name: CSV Import
authentication:
- type: API Key
  description: Per-tenant API token issued from the Mosaic admin console.
- type: SSO
  description: SAML / OIDC SSO + MFA for the application UI.