DeltaStream
DeltaStream is a serverless streaming data platform that unifies streaming, real-time, and batch analytics on Apache Flink, Spark, and ClickHouse. It serves AI & Platform Leaders, Data & Streaming Teams, and enterprises deploying AI agents in production across multiple verticals.
- Company typePrivate
- Founded2021
- HeadquartersMenlo Park, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What DeltaStream does
DeltaStream is a serverless streaming data platform company headquartered in Menlo Park, California, founded in 2021 by Hojjat Jafarpour, the creator of ksqlDB at Confluent. Its flagship product, DeltaStream Fusion, unifies streaming, real-time, and batch analytics into a single SQL-first platform built on Apache Flink, ClickHouse, and Apache Spark, with smart engine routing that selects the optimal engine per workload. The platform's distinguishing capability is a built-in MCP (Model Context Protocol) server that delivers continuously computed real-time context directly to AI agents, positioning DeltaStream as a "Real-Time Context Engine for AI Agents."
The platform exposes real-time materialized views, CDC pipelines, and streaming transformations through a WebApp, CLI, and API, with REST endpoints and MCP integration available for downstream AI consumption. DeltaStream Agent, introduced in May 2025, adds a natural-language interface that translates plain-language pipeline descriptions into SQL. Native integrations span Kafka, Confluent Cloud, Amazon MSK, Kinesis, Redpanda, WarpStream, Snowflake (via Snowpipe Streaming), Databricks, Apache Iceberg, PostgreSQL, and Amazon S3, with verified partnerships covering Confluent, Oracle (OCI BYOC deployment), AWS Marketplace, and Microsoft Azure early access announced November 2025. Security posture includes SOC2-compliant policies and NIST SP 800-53 alignment.
DeltaStream operates a hybrid go-to-market: a self-serve trial and POC funnel feeds an enterprise sales motion with quote-based annual subscriptions layered on usage-based serverless billing. Target buyers are AI & Platform Leaders, Data & Streaming Teams, and enterprises transitioning AI agents from pilot to production, with use cases spanning financial services, retail and e-commerce, logistics and supply chain, airline operations, digital advertising, and autonomous systems. The company has raised $25 million total across a 2022 seed and a September 2024 Series A led by NEA, with participation from Galaxy Interactive and Sanabil Investments.
DeltaStream firmographics
Firmographics- Name
- DeltaStream
- Legal name
- DeltaStream, Inc.
- Website
- https://deltastream.io
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- DeltaStream is a serverless streaming data platform that unifies streaming, real-time, and batch analytics on Apache Flink, Spark, and ClickHouse. It serves AI & Platform Leaders, Data & Streaming Teams, and enterprises deploying AI agents in production across multiple verticals.
- Ownership category
- akta.pro rank
DeltaStream industry classification
Industry- Product category
- Real-Time Stream Processing Platform
- akta.pro primary industry
- iPaaS / Cloud Data Integration (HDAEACAD)
- akta.pro secondary industry
- Data/Apps Connectivity & Adapters (Connectors, Drivers, SDKs) (HDAEAIAK)
Keywords
Where DeltaStream is headquartered
LocationHeadquarters
- HQ city
- Menlo Park
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
DeltaStream business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations
Revenue model
- SaaS Subscription: DeltaStream is a SaaS-based serverless stream processing platform. Revenue is generated through subscription pricing for platform access, with serverless architecture meaning customers pay for processing used.
- Usage-based Serverless: Serverless architecture where customers only pay for what they process. Automatic scaling of infrastructure without cluster management.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise |
| Freemium | Pay-as-you-go | Trial/POC |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels8 records
DeltaStream product offering
Product offeringCore offering
DeltaStream sells DeltaStream Fusion, a serverless unified analytics platform that combines streaming, real-time, and batch processing workloads on a single SQL-first interface. It is built on Apache Flink, ClickHouse, and Apache Spark and includes a built-in MCP server that delivers continuously updated, time-aware context directly to AI agents. Customers use it to build streaming pipelines, real-time materialized views, and CDC pipelines, with deployment options including public SaaS, Bring-Your-Own-Cloud (BYOC), and Oracle Cloud Infrastructure.
Product overview
DeltaStream is a serverless streaming data platform company that positions itself as the Real-Time Context Engine for AI Agents. The product portfolio centers on DeltaStream Fusion, a unified analytics platform that combines streaming, real-time, and batch analytics workloads into a single serverless platform powered by Apache Flink, Apache Spark, and ClickHouse. Fusion provides SQL-first interfaces (WebApp, CLI, API) for building streaming pipelines, real-time materialized views, and CDC pipelines. A key component is the built-in MCP server that delivers fresh, continuously updated context directly to AI agents. DeltaStream Agent adds a natural language interface for pipeline creation. The platform integrates natively with Kafka, Kinesis, Confluent, Snowflake, Databricks, PostgreSQL, Iceberg, and S3. DeltaStream for OCI extends the platform to Oracle Cloud Infrastructure. Funding includes a $10M seed (2022) and $15M Series A (2024).
Differentiator
Problem solved
Functional benefit
Brands
- DeltaStream Fusion: A unified analytics platform that combines streaming, real-time, and batch processing into a single serverless solution, serving as the company's primary product offering for real-time context delivery to AI agents.
Products and services
- DeltaStream Fusion DeltaStream Fusion is the core unified analytics platform that combines streaming, real-time, and batch analytics workloads on a serverless architecture. Built on Apache Flink, ClickHouse, and Apache Spark with automatic engine routing, it provides a SQL-first interface for building streaming pipelines, real-time materialized views, and CDC pipelines, and delivers continuously updated context to AI agents via a built-in MCP server.
- DeltaStream Agent DeltaStream Agent is a natural language interface for the DeltaStream Fusion platform that lets users build streaming pipelines and define fresh context by describing what they want in plain language. The agent constructs the underlying SQL transformations and streaming pipelines automatically.
- DeltaStream for Oracle Cloud Infrastructure (OCI) DeltaStream for OCI is a deployment edition of DeltaStream Fusion for Oracle Cloud Infrastructure. It uses OCI Streaming with Apache Kafka and runs processing on an OKE cluster inside the customer's own tenancy under a BYOC model, with data never leaving the customer environment. It is jointly sold with Oracle solution architects.
Quantifiable outcome
- Reduces tool calls by 73-78% for AI agents
- +6 more outcomes
Companies that use DeltaStream
Customer profileSegments9 records
Ideal customer profiles3 records
DeltaStream technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration16 records
AI capability7 records
Feature8 records
DeltaStream partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core.
- ConfluentcoreDeep technology partnership with Confluent. DeltaStream is configured to optimally handle Confluent Cloud streaming data. The partnership includes a Confluent Partner badge and joint go-to-market. DeltaStream provides Flink processing layer for Confluent customers seeking to run Flink workloads.
- SnowflakecoreDeltaStream integrates with Snowflake for real-time streaming data delivery. Uses Snowflake Polaris (REST) catalog for Iceberg integration. DeltaStream writes pre-processed data into Snowflake using Snowpipe Streaming APIs without intermediary storage.
- DatabrickscoreDeltaStream integrates with Databricks for real-time streaming. Provides DeltaStream for Databricks enabling true real-time streaming with Apache Flink inside the Databricks UI. Processes streaming data and writes results directly to Delta Lake.
- Oracle Cloud Infrastructure (OCI)coreOracle partnership for DeltaStream on OCI. Joint GTM with Oracle Solution Architects. DeltaStream provides end-to-end data processing pipeline using OCI Streaming with Apache Kafka. Processing runs inside customer OCI tenancy (BYOC model). Resources include SA Enablement Brief and technical documentation.
- Amazon Web Services (AWS)coreAWS infrastructure hosting with AWS MSK and Kinesis integration. DeltaStream available on AWS Marketplace. Uses AWS security programs and certifications for infrastructure security.
- Apache KafkacoreCore streaming technology. DeltaStream is built on Apache Flink but integrates with Kafka for data ingestion. Supports Kafka as a primary data source and sink.
- Apache IcebergcoreIntegration with Apache Iceberg for lakehouse table format. Supports AWS Glue catalog and Apache Polaris catalog. Enables streaming lakehouse architecture with DeltaStream Fusion.
- ClickHousecoreClickHouse integration for fast analytical queries over live materialized views. Core component of DeltaStream Fusion platform for real-time analytics.
- Apache SparkcoreApache Spark integration for batch processing capabilities and lakehouse analytics. Core component of DeltaStream Fusion for unifying streaming and batch workloads.
Scale indicators8 records
Recent moves6 records
Expansion highlights6 records
DeltaStream competitors and assessment
Company assessmentDirect peers
- Confluent: Confluent offers managed Apache Flink and ksqlDB on Confluent Cloud — direct overlap with DeltaStream's core streaming SQL platform. Also a DeltaStream channel partner, making it the most direct peer and most consequential competitive/coopetitive relationship.
- Materialize: Materialize is a real-time SQL streaming database (also originating from the ksqlDB/CQL lineage) serving overlapping Data & Streaming Teams with a streaming-first SQL interface. Comparable product, target buyer, and use cases as DeltaStream.
- Ververica: Ververica, the original creators of Apache Flink, offers a managed Flink platform (now backed by Alibaba) that competes directly with DeltaStream's serverless Flink abstraction for enterprise streaming workloads.
- RisingWave: RisingWave is an open-source distributed SQL database for stream processing built on Apache Flink-compatible concepts, targeting the same Data & Streaming Teams segment with a Postgres-compatible SQL interface and real-time materialized views.
Emerging players
- Immerok: Immerok is a managed Flink-as-a-service offering from ex-AWS Kinesis founders that competes directly with DeltaStream's serverless Flink positioning for cloud-native streaming workloads.
Broad incumbents
- AWS (Kinesis Data Analytics & MSK): AWS offers Kinesis Data Analytics (managed Flink) and Amazon MSK as part of its broader data platform portfolio — overlapping capability but as part of a much wider cloud ecosystem in which DeltaStream is also integrated via Marketplace.
- Databricks: Databricks provides Spark Structured Streaming and Delta Lake as part of its lakehouse platform. DeltaStream integrates natively with Databricks (DeltaStream for Databricks) but Databricks also bundles streaming capability, creating direct overlap on batch-to-streaming use cases.
- Snowflake: Snowflake offers Snowpipe Streaming and dynamic tables for real-time data ingestion into its data cloud. Competes with DeltaStream on cost-optimization and real-time-into-warehouse use cases, while also being a Polaris/Iceberg integration partner.
- Starburst: Starburst provides a Trino-based federated query platform with Iceberg support, overlapping with DeltaStream's streaming lakehouse positioning for cross-source analytics workloads on enterprise data.
Others
- ClickHouse: ClickHouse is a core engine embedded inside DeltaStream Fusion but also offers ClickHouse Cloud as a standalone real-time analytics warehouse. Indirect competitive risk if ClickHouse expands its managed streaming and agent-context capabilities.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
DeltaStream social profiles
Digital presenceDeltaStream compliance and trust
Trust signalCompliance2 records
DeltaStream financial estimates
Financial estimateRevenue estimate
Valuation estimate
DeltaStream leadership team
Management profileNumber of profiles
Profiles5 records
DeltaStream funding detail
Funding detailFunding overview
Funding rounds3 records
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
DeltaStream M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about DeltaStream
What does DeltaStream do?
DeltaStream sells DeltaStream Fusion, a serverless unified analytics platform that combines streaming, real-time, and batch processing workloads on a single SQL-first interface. It is built on Apache Flink, ClickHouse, and Apache Spark and includes a built-in MCP server that delivers continuously updated, time-aware context directly to AI agents. Customers use it to build streaming pipelines, real-time materialized views, and CDC pipelines, with deployment options including public SaaS, Bring-Your-Own-Cloud (BYOC), and Oracle Cloud Infrastructure.
Is DeltaStream a public or private company?
DeltaStream is a private company. It is classified as venture growth investor backed and is currently operating.
When was DeltaStream founded?
DeltaStream was founded in 2021. It employs 11 to 50 people.
Where is DeltaStream based?
DeltaStream is headquartered in Menlo Park, United States, in the North America region.
How does DeltaStream make money?
Two revenue lines are on record. SaaS Subscription is the primary driver. The others are usage-based Serverless.
Who are DeltaStream's main competitors?
Direct peers on record are Confluent, Materialize, Ververica and RisingWave. Immerok is listed as an emerging player. Broad incumbents are AWS (Kinesis Data Analytics & MSK), Databricks, Snowflake and Starburst. ClickHouse is listed as an others.
Does DeltaStream have an API?
Yes. DeltaStream provides a SQL-first interface (WebApp, CLI, or API) for building and interacting with streaming data pipelines, materialized views, and real-time context. The platform exposes real-time materialized views as REST endpoints and also includes a built-in MCP (Model Context Protocol) server that delivers live context directly to AI agents, enabling agents to query fresh state as tools. Developer documentation is at docs.deltastream.io.
What industry is DeltaStream in?
DeltaStream's product category is Real-Time Stream Processing Platform. Its primary akta.pro industry code is HDAEACAD, iPaaS / Cloud Data Integration, with a secondary code of HDAEAIAK, Data/Apps Connectivity & Adapters (Connectors, Drivers, SDKs).