Fundraising Fox

Upstash

3 known investors

Upstash is a data platform for developers that handles infrastructure management, allowing users to focus on application development. It operates on a per-request pricing model, charging customers only for their actual usage.

Also known as Upstash Inc. Β· Upstash Serverless Data Platform

Founders & leadership

EAEnes Akar
Enes AkarinFounder Β· CEOFounder of Upstash, a data platform that manages infrastructure for developers under a per-request pricing model. His expertise spans distributed systems, serverless and cloud computing, in-memory data grids, and big data, with experience in technologies including Java, Kafka, Redis, and Hazelcast.

Investors Β· 3

Funding

SEC filings, press & company announcements

Source: company announcements and press reports β€” follow each round's link for the claim.

Company profile

researched Aug 2026

Upstash operates a serverless data platform for developers building serverless, edge and AI applications. Its core product is a managed Redis-compatible in-memory database with durable storage, global multi-region replication, automatic backups and a stated 99.99% uptime guarantee. Around this core the company has assembled a product line that includes Vector, a serverless vector database for semantic search; QStash, an HTTP-based messaging and scheduling service with CRON support and configurable retries; Workflow, durable serverless functions running on top of QStash that avoid function timeouts; Search, full-text and semantic search built on Upstash Redis; and Box, secure sandboxed cloud containers for running code and AI agents with persistent storage and auto freeze/resume. Additional Redis-based extensions include Ratelimit, a connectionless rate-limiting library for serverless and edge runtimes, and Realtime pub/sub channels.

All services are exposed through built-in REST APIs and SDKs (TypeScript and Python among them), which allows access from edge and serverless runtimes that cannot hold persistent database connections. The company also ships developer tooling aimed at AI coding agents: an MCP server for managing and debugging resources from an editor, packaged "Skills" covering its SDKs and CLI, a CLI with JSON output for scripting and CI/CD, and Context7, an open-source project providing up-to-date code documentation for LLMs and AI code editors.

Upstash was reported in February 2024 to have roughly 16 employees, many based in Turkey, with the CEO and COO based in Silicon Valley, and planned to add about 15 more staff in professional support and customer success over the following year.

Founding story

Upstash was started about two years before February 2024 by founders Enes, Mehmet and Bilal, developers who were frustrated by tools with high latency, confusing setups and heavy configuration. They set out to build a fully serverless model that removed the need to deploy and maintain databases, bundling high availability, backups and updates by default, and charging only once a project received real traffic.

Business model

Upstash sells managed serverless data infrastructure directly to developers and engineering teams on a self-serve basis, with free tiers, pay-as-you-go plans and fixed plans across each product. Resources are provisioned through its console, the Upstash CLI, or marketplace integrations such as Vercel, which set the required environment variables in the customer's project.

Consumption-based pricing: customers are charged per request with a monthly cap, and pay nothing for idle resources ("scale to zero"). Fixed-price plans are offered alongside the pay-as-you-go plan, and Box uses usage-based pricing charging only while a container is active. The company reported $1 million in ARR as of February 2024.

Traction

Developer count grew from 12,000 in March 2022 to 85,000 by February 2024, when the company reported $1 million ARR. Website figures cite 160 billion Redis commands, 210 million QStash messages and 15 million Workflow runs, with weekly average uptime above 99.99%. The Vercel Marketplace listing shows 1,000+ installs. The company's GitHub organization hosts 137 public repositories, including Context7 (61,300+ stars), ratelimit-js (2,000+ stars) and redis-js (968 stars).

Latest developments

Recent additions include Box, serverless sandboxed cloud containers for AI agents with built-in Claude Code and Codex agents, full shell, filesystem and git access, persistent storage and auto freeze/resume; Search, full-text and semantic search built on Upstash Redis; and Realtime pub/sub channels. The company has also shipped agent-oriented tooling β€” an MCP server supporting read-only API keys, installable Skills for coding agents such as Claude Code, OpenAI Codex and Cursor, an npm-installable CLI, and the Context7 documentation project for LLMs and AI code editors.

β–ΈFull profile β€” market position, technology, go-to-market, geography, history, risks & controversies

Market position

Upstash positions itself as a serverless alternative to instance-based managed data services, competing with Redis Cloud in managed Redis and with Pinecone and other vector databases in AI search. Its founder describes consumption-based pricing as the company's principal differentiator. Growth from 12,000 developers in March 2022 to 85,000 in February 2024 and $1 million ARR indicate an early-stage but expanding position in the serverless data infrastructure market.

Per-request pricing with a monthly cap and no charge for idle capacity, an HTTP/REST interface that works from serverless and edge functions, global replication, and no server or instance sizing to manage. Customer testimonials cite the HTTP interface for Redis and the elimination of instance-size and memory-capacity planning as reasons for adopting the service over traditional managed Redis.

Technology

The platform is built to provide low-latency data with global replication and REST-based access suited to serverless and edge runtimes. Redis is offered with in-memory speed plus disk persistence and the ability to exceed the resident memory of the underlying machine. Upstash Vector uses a purpose-built data store rather than the company's existing data layer, and employs DiskANN and FreshDiskANN disk-based algorithms instead of HNSW so that cost does not scale proportionally with data size; it includes a metadata store with SQL-syntax querying for combining vector similarity search with metadata filtering. Workflow provides durable execution with automatic step retries on top of QStash.

Go-to-market

Bottom-up, developer-led distribution: a free tier and self-serve console, open-source SDKs and libraries on GitHub, extensive documentation and blog content, a Discord community and X/Twitter presence, and platform marketplace distribution such as the Vercel integration with starter templates for Next.js. Tooling for AI coding agents (MCP server, Skills, CLI, Context7) also serves as a distribution channel.

Developers and engineering teams building serverless, edge and AI applications β€” including those previously using self-managed or instance-based Redis and Kafka β€” as well as AI developers needing vector search alongside OpenAI or Hugging Face APIs.

Geography

The CEO and COO are based in Silicon Valley, while many employees are based in Turkey. The platform itself offers global low latency through multi-region replication options.

History

The company launched Upstash Redis in 2021 as its first product, then added a simplified serverless Kafka offering aimed at removing Kafka's setup and maintenance burden while retaining full configurability. A team member's suggestion led to QStash, a message queue built for serverless endpoints, as the third product. Upstash announced a $1.9 million seed round in early 2022. In February 2024 it disclosed a $10 million investment led by Andreessen Horowitz β€” a round the founder initially declined before reconsidering as generative AI adoption accelerated β€” and launched Upstash Vector. The product line has since expanded to include Workflow, Search, Ratelimit, Realtime and Box, plus agent-facing tooling such as an MCP server, Skills and Context7.

Risks & controversies

Upstash's Redis offering depends on Redis API compatibility; the company notes that Redis is a trademark of Redis Ltd. and that its use is referential only, with no sponsorship, endorsement or affiliation. Reported revenue remains small ($1 million ARR as of February 2024) relative to a competitive market that includes Redis Cloud and vector database vendors such as Pinecone.

Compiled by commissioned research from 8 cited public sources β€” announcements, filings, and press listed under research sources below.

Key figures

latest reported
ARRFeb 2024$1M
Developers on platformFeb 202485,000 developers
EmployeesFeb 202416 people
GitHub stars, context7 repositoryAug 202661,319 stars
GitHub stars, ratelimit-js repositoryAug 20262,044 stars
Public GitHub repositoriesAug 2026137 repositories
QStash messagesJan 2026210,000,000 messages
Redis commands servedJan 2026160,000,000,000 commands
Vercel Marketplace installsJan 20261000+ installs
Workflow runsJan 202615,000,000 runs

Company-reported or press-reported figures, each dated to when it was claimed β€” not independently audited.

Competitors Β· 4

by search overlap

Companies competing with Upstash for the same Google search keywords, organic and paid, via search-intersection analysis.

Timeline Β· 5

launches, deals, and filings
Feb 2024
$10M Series A led by Andreessen Horowitz

Upstash disclosed a $10 million investment led by Andreessen Horowitz; the founder said a16z approached the company in June, talks resumed in August and the deal closed about a month later, with no board of directors required.

$10M source β†—

Feb 2024
Melek Pelen Esin joins as COO

Upstash hired Melek Pelen Esin, previously at McKinsey and Facebook and an MIT MBA, as COO to run the business side while founder Enes Akar runs engineering.

source β†—

Feb 2024
Launch of Upstash Vector

Upstash launched Upstash Vector, a serverless vector database built on a purpose-built data store using DiskANN and FreshDiskANN rather than HNSW, targeting AI application developers.

source β†—

Feb 2022
Upstash announces $1.9M seed round

TechCrunch reported that Upstash announced a $1.9 million seed round roughly two years before February 2024, alongside its plan to build a serverless data platform for data-intensive applications using Redis and Kafka.

$1.9M source β†—

Jan 2021
Launch of Upstash Redis

Upstash launched its first product, a serverless in-memory Redis data store, in 2021.

source β†—

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

In the news

β–ΈResearch sources Β· 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Upstash do?
Upstash is a serverless data platform offering Redis, Vector, Search, QStash messaging, Workflow and sandboxes with per-request pricing.
Who founded Upstash?
Upstash was founded by Enes Akar.
Who are Upstash's investors?
Upstash's investors include Andreessen Horowitz, Mango Capital, ScaleX Ventures.