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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
$28.2M
Avg Funding
$1.1M
Cities
13

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San Francisco, United States
$500K
raised

Overshoot AI offers an SDK to run vision language models on live video and return real-time analysis from plain English prompts.

Mar 2026
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

San Francisco, United States
$500K
raised

PromptLoop enables users to build spreadsheet models powered by Artificial Intelligence.

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Pelm provides digital infrastructure to develop API for accessing and managing user's energy data.

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Linköping, Sweden
$3.4M
raised

Next Generation Cloud Provider for Front-end Developers to build with scalability, performance, and global legal compliance

Mar 2022
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

Shofo is a video library that offers custom datasets and API to generate indexes, queries, and analyze social media for data insights.

Mar 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Huixquilucan, Mexico
$650K
raised

The Robin for the Batman, but in tech innovation

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Convoy is an online gateway that sends, receives, and manages webhooks events.

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Brooklyn, United States
$350K
raised

LAYER Technologies is a one-stop minting and distribution platform for brands backed by Bitcoin via Stacks Blockchain.

Feb 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Warrington, United Kingdom
$3.0M
raised

Supermemory is an open-source AI platform that enables users to organize, search, and understand all the saved content on the internet.

Oct 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

41,000+ verified emails
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Vilnius, Lithuania
$1.4M
raised

Kashimi is an open banking infrastructure platform offering secure access to 1,000+ banks through a single API.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$2.2M
raised

Credibur is a fintech startup that offers software and services for managing the full credit lifecycle.

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$3.0M
raised

Task completion API for AI

Jul 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$5.3M
raised

AI Infra

Apr 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Superglue is an open-source tool that empowers users to effortlessly transform their data, unlocking new possibilities and insights.

Mar 2025
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

Wildcard functions as a gateway that enables AI agents to identify and employ APIs using natural language.

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$703K
raised

Smart audio routing for colocated hybrid/XR meetings and AI agent collaboration.

Dec 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Scrapybara creates virtual environments for AI agents, scaling and maintaining remote desktops with API access.

Dec 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$808K
raised

Unified APIs for B2B SaaS

Oct 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

dmodel allows firms to see how AI thinks and change its responses, boosting customer service without complete retraining.

Sep 2024
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

Reworks is a Software Development firm that helps AI companies to work with external software for various programs.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Comfy Deploy is a SaaS company that offers production-ready APIs for generative AI applications.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$1.3M
raised

NetNow provides an end-to-end platform that helps AR/Finance teams for wholesalers, distributors, and B2B marketplaces manage credit.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Vienna, Austria
$500K
raised

Glasskube is an open source package manager that distributes software to private infrastructure, cloud environments, and on-premises.

Aug 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Denver, United States
$500K
raised

APIGen is a SaaS company that leverages generative AI to create deployable APIs in minutes from users' written prompts.

Jun 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 of 83 companies

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