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Pre-Seed Developer APIs Companies

Explore 83 developer apis startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
83
Total Funding
$22.2M
Avg Funding
$889K
Cities
15

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Milan, Italy
$255K
raised

Decision-making infrastructure for retail equity investing

Sep 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

expand.ai effortlessly transforms any website into a type-safe API, making integration seamless and secure.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

Keet provides API's for websites inorder to retrieve data and perform requested actions on user's accounts.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$3.0M
raised

Self-Driving CI: AI-native GitHub Actions runners with agents that continuously optimize your builds.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Dublin, Ireland
$1.6M
raised

Openvolt provides an application programming interface for accessing real-time energy meter data.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$500K
raised

GitCafe provides a collaborative code hosting and review platform with stacked pull requests, GitHub synchronization, and a developer CLI.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Experiential Labs provides an open-source AI gateway that unifies cloud models, self-hosted hardware, and custom API keys.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Speko is an AI developer tools company that develops a voice AI gateway platform for building and deploying conversational AI agents.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$120K
raised

Chimoney is a digital asset cloud platform.

Aug 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

MovingLake provides a data platform for real-time and event-driven data connectors.

Aug 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Zug, Switzerland
$1.8M
raised

Zerolook provides an API that predicts flight prices and itineraries for travel search.

Aug 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Sheffield, United Kingdom
$778K
raised

Kinematic Trees develops modular robotics software and cloud tools for building and deploying robot-agnostic applications.

Jul 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Lincoln, United States
$375K
raised

Mobile App and Traffic Incident API - Transportation, logistics and mobility industry

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Charleroi, Belgium
$660K
raised

Worldwide open banking aggregation and payment provider.

Jun 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Strathaven, United Kingdom

Chert builds an API platform for AI-powered messaging agents and sales outreach on iMessage and other direct messaging channels.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Miami, United States
$2.6M
raised

A serverless Solana development platform.

Jun 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$2.0M
raised

Cheq’s mission is to bring cryptocurrency to the mainstream.

May 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Salt Lake City, United States
$500K
raised

Superpowered AI offers API for retrieval augmented generation to connect LLMs to data and get accurate responses with citations.

May 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Zibra Labs provides cloud-based high-performance compute clusters and APIs for large-scale AI and quant workloads.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

St. Petersburg, United States
$2.3M
raised

Mirror your dreams. All-in-one game engine.

May 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 83 funded startups

41,000+ verified emails
Unlimited exports
No credit card required
San Francisco, United States
$500K
raised

StableBrowse provides browser infrastructure and tools that let AI agents navigate and automate workflows on dynamic websites.

Apr 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$1.2M
raised

The most seamless way for people to connect crypto accounts to any app.

Apr 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$1.5M
raised

Triangle, acquired by Bridge and now Stripe is a software company that builds web3 wallet infrastructure.

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Sendo is a developer friendly SMS API which has data with a fast dashboard and with helpful monitoring features

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Fixture is an AI integrated CRM platform to communicate with customers, track marketing channels and form single go-to-market context store.

Mar 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 1 to 25 of 83 companies

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