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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
$27.2M
Avg Funding
$1.1M
Cities
12

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San Francisco, United States
$500K
raised

nCompass Technologies enables fast and unlimited deployment of LLMs.

Apr 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$350K
raised

Peacom is a B2B enterprise solution. We help enterprises automate business processes and increase engagement and sales.

Apr 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Frankfurt, Germany
$1.2M
raised

Bavest's infrastructure enables access to financial data, alternative data and analyzes portfolios with AI.

Feb 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$300K
raised

Mosaia is a software development company to build AI in the open

Nov 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Austin, United States
$500K
raised

DataShare is a tech company that offers data service APIs that helps to embed customer-facing business intelligence tools.

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

Apoxy develops proxy platform for improving the security and usability of application programming interface and services.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Glide streamlines transaction payments on EVM-compatible chains using tokens, with no need for swaps, and simple API integration.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

RecipeUI is an open source postman alternative for viewing and debugging GraphQL requests in Chrome and Firefox.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$375K
raised

Legendstransforms phone and photo data into actionable consumer insights to help brands personalize.

Jul 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$2.0M
raised

We build APIs to bring digital humans to life

Jul 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

Mirio allows you to create and share personalized demo apps and sandboxes so buyers and developers can experience the value of your product.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

Fastgen is a low-code API and workflow builder with a drag-and-drop interface to create backends and automations.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Rosettic tracks your cloud usage down to the individual API invocation and database row.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Wilmington, United States
$500K
raised

CodeParrot converts Design to code. Get production ready UI components from Design files, Screenshot to Code.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Semantic Finance provides a real-time AI-powered news insights API for unpredicted events that affect the financial markets.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

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

Mercoa is a bill pay and accounts payable API for B2B fintech.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Besiktas, Turkey
$5.0M
raised

Wiro.ai brings machine learning easily accessible to all in the cloud.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Atlanta, United States
$9.0M
raised

Speedscale allows users to stress test cloud services with real-world scenarios.

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$650K
raised

Semantic and visual search, clustering, analysis and recommendation infrastructure across video, images and text in just 2 API calls

Jan 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

Neo Revenue Engine providing plug-and-play API solutions for cross-industry marketplaces. Merging MaaS + BaaS

Jan 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
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Bentonville, United States
$250K
raised

ULTD is a mobile-based augmented reality game powered by web3 technology and NFTs

Jan 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$500K
raised

Specific is an AI driven DevOps company that offers users a platform to build and deploy backend without codes.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$500K
raised

Dome is an API platform that provides developers with a unified interface for accessing and building on top of prediction markets.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Locus provides payment tools that let businesses manage and track transactions made by autonomous agents.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Bellevue, United States
$550K
raised

APIContext monitors APIs for regulated-industry enterprises, providing unparalled API discovery, reliability, risk, and conformance.

Dec 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 51 to 75 of 83 companies

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83 Developer APIs Pre-Seed Startups (October 2026) — Page 3 | VCBacked