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Seed Developer APIs Companies

Explore 102 developer apis startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
102
Total Funding
$101.1M
Avg Funding
$4.0M
Cities
16

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New York, United States

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

May 2026
Seed

Founder Contacts

19,000+ verified contacts

Ljubljana, Slovenia

API provider, B2B SaaS - Single integration cloud platform for global invoicing, e-invoicing & fiscalization compliance.

May 2026
Seed

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$1.9M
raised

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

Apr 2026
Seed

Founder Contacts

19,000+ verified contacts

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

19,000+ 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

19,000+ verified contacts

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19,000+ 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

19,000+ verified contacts

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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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Stockholm, Sweden
$3.0M
raised

Task completion API for AI

Jul 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

Madrid, Spain
$1.1M
raised

API that provides standardised, real-time access to any type of financial asset held by any entity.

May 2025
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$3.3M
raised

The open source auth infrastructure for B2B SaaS

May 2025
Seed

Founder Contacts

19,000+ verified contacts

New York, United States
$5.3M
raised

AI Infra

Apr 2025
Pre-Seed

Founder Contacts

19,000+ verified contacts

New York, United States
$3.8M
raised

Sohar Health automates insurance verification for behavioral health providers with EHR integration and real-time eligibility updates.

Mar 2025
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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South San Francisco, United States
$12.0M
raised

Arcade.dev helps AI Agents securely connect to APIs, data, and other systems

Mar 2025
Seed

Founder Contacts

19,000+ verified contacts

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

19,000+ 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

19,000+ verified contacts

Toronto, Canada
$703K
raised

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

Dec 2024
Pre-Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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London, United Kingdom
$3.2M
raised

FlatPeak is an energy tariff and intelligence platform that enables device optimisation for the lowest cost and carbon energy.

Dec 2024
Seed

Founder Contacts

19,000+ verified contacts

Lyon, France
$3.1M
raised

A unique API connected to the best AI engines and combined with a powerful management platform

Nov 2024
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$30.0M
raised

Wordware enables users to create and host a complete LLM stack for developing AI applications.

Nov 2024
Seed

Founder Contacts

19,000+ verified contacts

Edinburgh, United Kingdom
$1.9M
raised

Embedded Finance Platform for SME Businesses

Nov 2024
Seed

Founder Contacts

19,000+ verified contacts

Toronto, Canada
$808K
raised

Unified APIs for B2B SaaS

Oct 2024
Pre-Seed

Founder Contacts

19,000+ verified contacts

Showing 1 to 25 of 102 companies

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