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Seed Developer APIs Companies

Explore 252 developer apis startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
252
Total Funding
$68.5M
Avg Funding
$2.7M
Cities
16

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London, United Kingdom

Youtility allows you to manage all your home finances from a single place.

Apr 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$1.5M
raised

Origin is a software development company that offers a platform to software development life cycle.

Apr 2026
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

The Token Company offers an API that compresses text inputs to reduce token usage before sending prompts to language models.

Mar 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

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41,000+ verified emails
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Dover, United States
$4.5M
raised

Nango lets developers build product integrations with AI, connecting their product & agents to 700+ APIs.

Mar 2026
Seed

Founder Contacts

41,000+ verified contacts

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

San Francisco, United States
$3.9M
raised

s2.dev is a serverless API system providing unlimited, durable, real-time data streams for developers.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$7.2M
raised

General Magic helps legacy software companies become AI native without changing a single line of code.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$7.0M
raised

Derapi is the universal, enterprise-grade API for distributed energy resource (DER) devices.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Paris, France
$10.0M
raised

Linkup is an AI search engine and web integration platform that enables LLMs and AI agents to access web content and premium sources

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

Santa Monica, United States

The Unified Developer Platform for Automotive Retail

Feb 2026
Seed

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Izmir, Turkey
$400K
raised

Defy is a software company that provides blockchain services for web3 and anti-money laundering solutions.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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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

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

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

Herndon, United States
$13.5M
raised

Revenium Control Costs Optimize your spending.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Captain Technologies offers an API solution to make unstructured data searchable in natural language.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
No credit card required
Miami, United States
$4.4M
raised

AccessGrid is an API platform that uses MIFARE technology to issue NFC credentials for mobile devices.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Synthetic is an online platform that lets users run and interact with open‑source large language models privately without storing user data.

Oct 2025
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

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

Victoria, Canada
$3.5M
raised

Codex provides enriched blockchain data APIs and tools for developers building trading, analytics, and web3 applications.

Aug 2025
Seed

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 of 252 companies

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