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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
$68.2M
Avg Funding
$2.7M
Cities
15

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Recently Funded Companies

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Oakland, United States
$2.5M
raised

Zero Trust Data Protection Platform

Jun 2023
Seed

Founder Contacts

19,000+ verified contacts

Menlo Park, United States
$6.5M
raised

WireMock is an API productivity platform that enables developers to mock APIs for use in unit, integration development, and testing.

May 2023
Seed

Founder Contacts

19,000+ verified contacts

Tel Aviv, Israel
$7.0M
raised

Visual Layer is a Tel Aviv based startup providing visual data management platform that scales to billion images and videos.

May 2023
Seed

Founder Contacts

19,000+ verified contacts

Houston, United States
$8.0M
raised

Brassica is a financial technology company that develops an investment infrastructure for private securities and digital assets.

Apr 2023
Seed

Founder Contacts

19,000+ verified contacts

Atlanta, United States
$4.0M
raised

Axle Labs is an insurance data open platform that helps to link policies and verify and monitor ongoing insurance coverage.

Apr 2023
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

Evanston, United States
$2.1M
raised

Coast is an IT company that offers customization and exclusive links for each prospect.

Apr 2023
Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

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19,000+ verified emails
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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

19,000+ verified contacts

Madrid, Spain
$1.7M
raised

Help global companies comply with local invoicing requirements

Apr 2023
Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

San Francisco, United States
$500K
raised

PoplarML enables the deployment of production-ready, scalable ML systems.

Apr 2023
Seed

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$5.0M
raised

Satsuma is a reliable blockchain indexing service for web3 engineering teams.

Apr 2023
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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Besiktas, Turkey
$5.0M
raised

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

Apr 2023
Pre-Seed

Founder Contacts

19,000+ verified contacts

Boulder, United States
$5.0M
raised

Dylibso provides software, devtools, and applications to assist in the deployment of WebAssembly.

Mar 2023
Seed

Founder Contacts

19,000+ 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

19,000+ verified contacts

New York, United States
$1.0M
raised

Opkit is a Y Combinator-backed startup building AI phone calls for the healthcare industry.

Mar 2023
Seed

Founder Contacts

19,000+ verified contacts

Paris, France
$5.4M
raised

Blobr is a SaaS company that offers API portal for internal teams, partners and customers.

Feb 2023
Seed

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
Unlimited exports
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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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ 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

19,000+ verified contacts

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102 Recently Funded Developer APIs Seed Startups (June 2026) | VCBacked