NEW - HDB 4.2
Streaming, app, & DB systems unified.

Simplified Development for

Mobile Apps
Streaming Media
Machine Learning

HarperDB combines database, application, and data streaming services into a single hyper-performant solution, delivering enterprise-quality apps at a lower cost and with less development effort.

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Deploy user-programmed applications and pre-built add-ons on top of the data they depend on for a high throughput, ultra-low latency back end.


Lightning-fast distributed database delivers orders of magnitude more throughput per second than popular NoSQL alternatives while providing limitless horizontal scale.


Native real-time pub/sub communication and data processing via MQTT, WebSocket, and HTTP interfaces. HarperDB delivers powerful data-in-motion capabilities without layering in additional services like Kafka.

System Efficiency

Focus on features that move your business forward, not fighting complex infrastructure.
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Achieve Any Latency SLA

You can't change the speed of light, but you can put less light between your users and their data.

< 1 ms
API-to-Data Latency
2-10 ms
On-Prem Latency
10-50 ms
Edge Latency
100 ms
Global Replication
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Up to
Up to
Nodes/Global Cluster
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Horizontal Scale

Outperform NoSQL alternatives in throughput, latency, total cost of ownership, and simplicity at scale.

Save Millions

Scaling horizontally lets HarperDB drastically reduce your infrastructure costs with a linear cost to capacity ratio. Enterprises that switch to HarperDB typically see savings over 50%.

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Graph showing how HarperDB is less expensive than monolithic solutions at scale.

Actual Savings

Reduction in Compute Spend
+ 69% reduction in latency

- OTT Streaming
Reduction in Infrastructure Spend
+ 250x reduction in latency

- Digital OOH Ads
Reduction in Infrastructure Spend
+ 92% reduction in latency

- Global Gaming Network

Accelerating 5G Experiences

Leveraging HarperDB, Edison Interactive distributed their API cache across Verizon's 5G Edge, plummeting latency below 20 milliseconds.
Go To Case Study
Edison Interactive LogoVerizon Logo


From POC to IPO, HarperDB is the best platform to start with and scale with.

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Go to Market Faster

Unified System Architecture
Groundbreaking system efficiency delivers high-performance applications with minimal development effort.
GraphQL-Style Schema Definition
Ditch drivers and create a RESTful API and the tables that back it in seconds.
Dynamic Schema
Our document data model auto-updates as fast as you can code.

Come as You Are

Familiar Workflow
Bring your own or use our web-based IDE to build applications on top of the data that powers them.
Query with SQL
The simplicity of a document store with the power of SQL
Language Agnostic
Write business logic in any language and manage the output natively

Build Anything Better

Image of women using HarperDB.

Docs & Code

HarperDB is a highly extensible development platform supporting a rich variety of resources, modular components, SDKs, and plugins.

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Start with a free AWS Instance + central management of all your globally disrupted nodes. Point & click development studio.
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