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Seed Developer APIs Companies

Explore 245 developer apis startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
245
Total Funding
$62.1M
Avg Funding
$2.5M
Cities
22

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Lenexa, United States
$1.5M
raised

OpenRelay is a distributed relayer of fine order book infrastructures.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$3.0M
raised

Rowy is a low-code platform that makes building any product’s backend functionality and database as easy as using spreadsheets.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

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

30,000+ verified contacts

Miami, United States
$7.9M
raised

ClimateTrade is a blockchain platform for carbon offsetting. In 2018 launched the first Carbon API in the world

Jan 2022
Seed

Founder Contacts

30,000+ 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

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ 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

30,000+ verified contacts

Grand Cayman, Cayman Islands
$15.0M
raised

ZOOP is a social mega app where you get real rewards for your engagement and content.

Dec 2024
Seed

Founder Contacts

30,000+ verified contacts

Munich, Germany
$4.0M
raised

Warden develops Warden Protocol for blockchain key management and policy-based, cross-chain asset workflows.

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

Geneva, Switzerland
$3.5M
raised

PowerAPI is the most open, modular & intelligent operational software

Dec 2023
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ verified contacts

Stockholm, Sweden
$1.9M
raised

Fondo is a fintech company reinventing financial infrastructure, disrupting the mutual fund market in Sweden.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

Buenos Aires, Argentina
$1.0M
raised

It's time to become a Crypto Company. Plug and play crypto APIs for the mass adoption of web3 business models.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Mclean, United States
$5.0M
raised

Unified AI & API security with a powerful platform that enables enterprises to protect the connections driving AI innovation.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

Union City, United States
$3.0M
raised

Hoppscotch is an open-source API development system that offers to create, test, save, and share API requests services.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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New Castle, United States
$700K
raised

unremot helps companies build and launch AI products in minutes by allowing them to use its pre-built AI/ML APIs.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$635K
raised

Gentek.ai offers an agentic AI platform that automates workflows, secures data, and boosts enterprise efficiency with AI agents.

Dec 2024
Seed

Founder Contacts

30,000+ verified contacts

Singapore, Singapore
$4.5M
raised

UNL is a smart micro-location and mapping platform building the Internet of Places.

Jan 2022
Seed

Founder Contacts

30,000+ verified contacts

Las Vegas, United States
$250K
raised

Assail AI develops Ares, an agentic AI platform for autonomous offensive security testing targeting mobile apps, APIs, web infrastructure.

Jan 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Barendrecht, The Netherlands

Connect your app, content, business or any application to printed products around the world through the Cloudprinter.com print API.

Nov 2023
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Angers, France
$3.9M
raised

The modern API doc platform

Nov 2022
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$2.8M
raised

SearchLand is a proptech that lets property developers and investors find potential sites and contact landowners directly via the platform.

Nov 2022
Seed

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands
$1.2M
raised

Citeel develops Panthera, a modular zero-trust cybersecurity system securing critical infrastructure and data

Jan 2024
Seed

Founder Contacts

30,000+ verified contacts

Boston, United States

Simbo AI, is providing Enterprise LLM AI platform for businesses for automation without human intervention using Symbolic RAG architecture.

Jan 2023
Seed

Founder Contacts

30,000+ verified contacts

Seattle, United States

AgentRouter provides an API routing platform that lets AI agents discover, pay for, and execute third-party APIs.

Jan 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Showing 201 to 225 of 245 companies

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