# Seltz

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/seltz

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.seltz.ai/
- Total disclosed funding: $13M
- Latest round: Seed (Jun 23, 2026)
- Investors on record: 10

## About

Seltz, Inc., based in San Francisco, offers an advanced Web Knowledge API that delivers real-time, context-engineered web data tailored for artificial intelligence applications, enhancing the efficiency of AI systems.Founded in 2025 in San Francisco, US, Seltz, Inc. provides real-time web data solutions for AI applications. T In June 2026, Seltz, Inc. raised USD 12.5 million in seed funding co-led by Speedinvest and B Capital, with participation from 2100 Ventures, arc investors, Future Back Ventures, Futurepresent, Italian Founders Fund, Mango Capital, United Ventures, and Vento Ventures. Seltz offers an advanced Web Knowledge API, designed to supply real-time, context-engineered web data specifically optimized for artificial intelligence applications. The API enables AI systems to access fast, high-quality web content, which is meticulously selected, filtered, and ranked to ensure relevance and minimize clutter. This solution addresses the needs of teams developing large language models, retrieval-augmented generation (RAG) pipelines, and autonomous agents that require accurate, up-to-date web knowledge. The product is particularly beneficial in scenarios where precise and factual information is crucial, such as referencing current statistics or technical specifications. Seltz caters to a diverse client base, including enterprises and AI development teams across North America, Europe, and Asia, facilitating robust integrations within their existing systems to enhance performance and reliability.Seltz operates on a subscription-based revenue model, providing access to its Web Knowledge API for clients seeking reliable web data for AI applications. Clients typically engage in annual or monthly subscription agreements, which allow them to integrate Seltz's services into their operational frameworks seamlessly. The pricing structure is designed to accommodate various usage levels, catering to small startups as well as large enterprises. This model ensures that clients can scale their data usage according to their specific needs while maintaining predictable costs. As an essential tool for AI developers, the Web Knowledge API serves as both a core offering and a pivotal component in the infrastructure of businesses aiming to leverage real-time web data for enhanced reasoning and decision-making capabilities. The company will use the June 2026 funding to expand its web data retrieval infrastructure, increase crawling and indexing capacity, strengthen its engineering and research teams, and support customer growth. Future plans include the launch of new features for the Web Knowledge API and targeting expansion into Europe and Asia by 2027.

## Funding rounds

- Seed, Jun 23, 2026, $13M — Speedinvest, United Ventures, B Capital, Mango Capital, arc investors, Italian Founders Fund, 2100 Ventures, Vento Ventures, Future Back Ventures, Futurepresent

## Investors

- Speedinvest (https://capitalatlas.ai/funds/speedinvest) — Seed
- United Ventures (https://capitalatlas.ai/funds/united-ventures) — Seed
- B Capital (https://capitalatlas.ai/funds/b-capital) — Seed
- Mango Capital (https://capitalatlas.ai/funds/mango-capital) — Seed
- arc investors (https://capitalatlas.ai/funds/arc-investors) — Seed
- Italian Founders Fund (https://capitalatlas.ai/funds/italian-founders-fund) — Seed
- 2100 Ventures (https://capitalatlas.ai/funds/2100-ventures) — Seed
- Vento Ventures (https://capitalatlas.ai/funds/vento-ventures) — Seed
- Future Back Ventures (https://capitalatlas.ai/funds/future-back-ventures) — Seed
- Futurepresent (https://capitalatlas.ai/funds/futurepresent) — Seed