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Platform API

Connect Any Data Source to Onna with Our Platform API

Your tech stack doesn’t stop at 29 collaboration apps. The Onna Platform API lets your developers pull in data from internal tools, unsupported SaaS applications, or legacy platforms, so nothing gets left out of your single source of truth.

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Why Developers Use the Onna Platform API

Not every SaaS platform has a prebuilt Onna connector. The Platform API fills that gap. It gives your dev team a documented, authenticated way to push data from any source directly into Onna, where it gets indexed, made searchable, and treated just like data from any prebuilt connector.

Ingest Data from Unsupported Applications

Not every platform has a prebuilt connector. The Onna Platform API lets your team pull in data from internal tools, proprietary systems, or unsupported SaaS applications, so no critical data source is excluded from your eDiscovery workflow.

Build Scalable Data Ingestion Pipelines

Automate data collection across your entire tech stack. Developers can build ingestion pipelines that continuously sync files, records, and messages into the platform, eliminating manual exports and fragmented collections.

Centralize Enterprise Data

Organizations operate across dozens of applications, creating data silos that slow down operations and limit visibility. The Platform API brings all of that data into one platform.

Extend the Onna Platform

The Platform API lets developers build custom integrations that go beyond Onna’s prebuilt connectors so your platform grows with your infrastructure, not against it.

Core Platform API Capabilities

Ingest data from any source and get it into one searchable, defensible platform. Whether it's an internal ticketing system, an on-premises tool, or an unsupported SaaS application, the Platform API handles it.

Enterprise Data Ingestion

Programmatically upload structured and unstructured data into Onna using REST endpoints designed for high-volume ingestion. Developers can ingest 1,000+ file types including:

  • Documents and files
  • Support tickets and structured records
  • Messages and collaboration data
  • Data exports from internal systems

Once ingested, Onna automatically processes and indexes the data for search and analysis.

Developer-Friendly Architecture

The Onna Platform API follows modern development standards to simplify integration and ensure scalability. Key architecture features include:

  • RESTful API endpoints
  • JSON request and response formats
  • OpenAPI-compliant specification
  • Cursor-based pagination
  • ISO 8601 timestamp formatting
  • Versioned endpoints for long-term stability

These standards allow developers to integrate quickly while supporting enterprise-scale data ingestion.

Workspace and Data Organization

Use the API to create and manage workspaces, folders, and resources, allowing teams to organize data around specific projects, investigations, or operational workflows.

Workspaces provide a structured environment where enterprise data can be securely stored, searched, and exported.

Secure Authentication

The Platform API uses OAuth 2.0 authentication to enable secure machine-to-machine integrations.


Applications authenticate using client credentials to generate access tokens, ensuring all requests are secure and auditable.

How the Onna Platform API Works

01.

Authenticate your application

Generate client credentials and retrieve an OAuth access token.

02.

Create a workspace

Use API endpoints to create a workspace where your ingested data lives, organized and ready to search.

03.

Structure your data

Map your data to Onna's supported resource types so it indexes and processes correctly.

04.

Upload resources

Send files or structured data to the Platform API ingestion endpoints.

05.

Process and search

Onna processes and indexes the data — making it immediately searchable and ready for eDiscovery, investigations, and compliance workflows.

Onna Platform API FAQs

What is the Onna Platform API?

The Onna Platform API is a REST-based ingestion API that lets developers and IT teams programmatically upload data from any system into the Onna data collection and management platform. Using the API, organizations can connect internal applications, unsupported SaaS tools, or legacy systems — and centralize that data in a single, searchable platform.

Once data is ingested, Onna processes and indexes it so teams can search, analyze, and govern information across multiple sources supporting eDiscovery, investigations, and compliance workflows.

How does the Onna Platform API support eDiscovery?

The Onna Platform API lets legal and IT teams pull in data from internal systems, legacy platforms, and unsupported SaaS tools, so no data source is excluded from your collection workflow.

Once ingested, Onna indexes and processes that data in real time, making it immediately searchable and ready for review. Every collection is backed by a full audit log and defensible chain of custody — so your team can move quickly without compromising integrity.

What can developers build with the Onna Platform API?

Developers use the Onna Platform API to build custom data integrations and ingestion pipelines. Common use cases include integrating proprietary internal tools, ingesting data from unsupported SaaS platforms, automating enterprise data pipelines, and extending Onna’s data coverage beyond native connectors.

The API enables teams to centralize enterprise data from multiple systems so it can be searched, structured, and analyzed within the Onna platform.

What types of data can be ingested using the Platform API?

The Onna Platform API supports ingestion of both structured and unstructured data. Developers can upload 1,000+ file types including: documents, files, tickets, messages, and other records generated by enterprise systems.

This flexibility allows organizations to ingest data from collaboration platforms, support systems, internal tools, and custom applications.

How does the Onna Platform API authenticate requests?

The Platform API uses OAuth 2.0 Client Credentials authentication. Applications generate an access token using their client credentials and include that token in API requests to securely authenticate with the platform.

This authentication model enables secure machine-to-machine integrations and automated data ingestion workflows.

How does the Platform API organize data inside Onna?

Data ingested through the Platform API is organized using workspaces, folders, and resources.

A workspace acts as the container for a collection of related data, such as information for a project, investigation, or compliance workflow. Within a workspace, folders help organize resources such as files or structured records.

This structure gives teams a consistent way to manage, search, and export data.

When should organizations use the Platform API instead of native connectors?

Organizations typically use the Platform API when a system does not have a native integration with Onna.

The API allows developers to build custom ingestion workflows for proprietary tools, internal databases, or specialized SaaS applications that are not supported by prebuilt connectors. This ensures critical business data stays within your defensible, auditable workflow, not siloed in systems outside your collection process.

What standards does the Onna Platform API follow?

The Platform API follows modern developer standards to simplify integration and ensure scalability. It uses REST architecture, JSON request and response formats, OAuth 2.0 authentication, secure HTTPS communication, and versioned API endpoints.

These standards make it easier for developers to integrate the API using common development frameworks and tools.

Can the Platform API be used to automate data ingestion?

Yes. Developers commonly use the Onna Platform API to build automated pipelines that continuously ingest data from enterprise systems. Once ingested, Onna indexes data in real time so it's immediately searchable without manual processing.

Automation ensures that data remains current, searchable, and accessible across the organization.

Build Your First Integration Today

Your first integration starts in the Developer Hub. Explore the documentation and connect your data source in minutes.

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