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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
$110.9M
Avg Funding
$4.4M
Cities
14

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London, United Kingdom
$9.0M
raised

Anam is the developer of real-time AI personas for brands to increase consumer interaction.

Jul 2025
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$4.5M
raised

Lekko is building the next generation of feature flagging inspired by best in class FAANG technology.

Jul 2024
Seed

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands
$8.6M
raised

Truvity’s Self-Sovereign Identity toolkit allows you to build your own digital identity ecosystem, tailored to your needs.

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$2.9M
raised

Junction (formerly Vital) is an API for collecting health data that allows developers to build personalized healthcare applications.

Jun 2022
Seed

Founder Contacts

30,000+ verified contacts

Charleroi, Belgium
$660K
raised

Worldwide open banking aggregation and payment provider.

Jun 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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New York, United States
$8.5M
raised

Trinsic is a developer of an AI-powered identity platform that helps businesses verify identities, detect fraud and prevent impersonation.

Jun 2022
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$4.3M
raised

Orthogonal develops medical device software enabling connected healthcare solutions and improved patient outcomes.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$4.3M
raised

Orthogonal develops medical device software enabling connected healthcare solutions and improved patient outcomes.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

Bucharest, Romania
$2.2M
raised

Open Banking at work for businesses. Enterprise class financial data provider, helping mid sized companies leverage open banking.

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

New York, United States
$8.0M
raised

Substrate is a platform API for creating and running modular AI workflows with connected models and data tools.

Jun 2024
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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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

30,000+ verified contacts

Santa Monica, United States

Keyframe's interactive video models turn agents into lifelike video calls.

Jun 2026
Seed

Founder Contacts

30,000+ verified contacts

Canberra, Australia
$2.2M
raised

JDoodle is an AI powered online programming platform that offers online IDE, software compilers, APIs, embedded IDEs, and assessments.

Jun 2023
Seed

Founder Contacts

30,000+ verified contacts

Miami, United States
$2.6M
raised

A serverless Solana development platform.

Jun 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$22.0M
raised

API-first global payments, enterprise-grade compliance and real-time settlements, powered by stablecoin technology.

Jun 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States
$4.2M
raised

Mentum is an API for fintech companies that offers investment services.

May 2022
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$3.8M
raised

Astrada is a software company that provides financial infrastructure, payments, and automation services.

May 2026
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$2.0M
raised

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

May 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Florianópolis, Brazil

Fluid integration platform speeds up innovation by solving your data & systems integration challenges through a low code approach.

May 2023
Seed

Founder Contacts

30,000+ verified contacts

Auckland, New Zealand
$10.0M
raised

Supporting all Polkadot blockchain developers build the web3 future by providing key infrastructure and API services..

May 2022
Seed

Founder Contacts

30,000+ verified contacts

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Get verified contact info for decision-makers at 245 funded startups

30,000+ verified emails
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San Francisco, United States

Aviator is a software provider that provides assistance towards workflows and PR's.

May 2022
Seed

Founder Contacts

30,000+ verified contacts

Miami Beach, United States
$4.0M
raised

Airstack is an artificial intelligence-powered platform that allows on-chain data across projects and blockchains.

May 2024
Seed

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

New York, United States
$6.3M
raised

Benji is the modern API for loyalty, enabling instant connections and transactions with the world's leading rewards programs.

May 2026
Seed

Founder Contacts

30,000+ verified contacts

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