Top API Companies in Spain (2026 Update)
Browse API companies in Spain with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.
Showing 18 Companies
| Company | Location | Founded | Industry | Services | Target Customers | Business Model | Revenue Model | Founders | Employees | Funding Stage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Restb.ai
Computer Vision For Real Estate. |
Spain
|
2015 |
AI
API
+4
|
— | — | — | — | — | 71 | Grant |
|
iCommunity | Building Trust an...
Architecting Trusted Digital Infrastructure for Enterpr… |
Spain
|
2019 |
API
Blockchain
+7
|
Digital Event Certification
Verifiable Evidence Generation
+5
|
Public Administrations
KYC Providers
+5
|
B2B
SaaS
+1
|
Subscription
Usage Based
+1
|
— | 10 | Initial Coin Offering |
|
|
Wealthreader: The API for Thos...
Open Banking Aggregator: Better Data, Better Business |
Spain
|
2022 |
API
Finance
+3
|
Bank Account Aggregation API
Investment Portfolio Composition
+2
|
Banks
Family Offices
+3
|
B2B
API
+1
|
Usage Based
Subscription
+1
|
— | 23 | Pre Seed |
|
Belvo
Powering the next generation of financial innovators in… |
Spain
|
2019 |
API
Finance
+3
|
Financial Data Connection
AI-based Risk Insights
+3
|
Banks & Financial Institutions
Lenders
+4
|
API
B2B
+1
|
Usage Based
Transaction Fee
+1
|
— | 126 | Unknown |
|
|
Nubentos The API Marketplace F...
The API Marketplace For Health ☁ | The ecosystem to pus… |
Spain
|
2018 |
API
Digital Health
+3
|
— | — | — | — | — | 1 | Seed |
|
Voicemod
Supercharge your voice with AI! ...and express yourself… |
Spain
|
2014 |
API
Gaming
+1
|
— | — | — | — | — | 107 | Series A |
|
Arengu
Visually build your sign-up or authentication flows and… |
Spain
|
2018 | — | — | — | — | — | — | 1 | Acquired |
|
Flanks
Redefining the wealth management industry worldwide |
Spain
|
2019 |
API
Fintech
+1
|
Wealth Data Aggregation
Portfolio Management Tools
+3
|
Banks
Family Offices
+3
|
B2B
Platform
+1
|
Subscription
Usage Based
+1
|
— | 108 | Unknown |
|
thethings.iO
thethings.iO is the most simple enterprise IoT platform |
Spain
|
2013 |
API
IoT
|
— | — | — | — | — | 6 | Angel |
|
Inspide
Creamos soluciones de datos en el espacio-tiempo para d… |
Spain
|
2013 |
API
Advertising
+5
|
— | — | — | — | — | 9 | Pre Seed |
|
Sezion |
Spain
|
2011 |
API
Advertising
+4
|
— | — | — | — | — | 1 | Convertible Note |
|
|
TecFrac
TecFrac provides mobile app development and backend ser… |
Spain
|
2018 |
API
Cloud Infrastructure
+1
|
— | — | — | — | — | 16 | — |
|
|
Abraia Software
Smart web image and video optimization, transcoding, an… |
Spain
|
2017 |
API
Developer Tools
+3
|
— | — | — | — | — | 3 | — |
|
KrakenD
We are the company behind the KrakenD API Gateway Enter… |
Spain
|
2016 |
API
Cloud Infrastructure
+3
|
— | — | — | — | — | 8 | — |
|
Albatross (acquired by TravelP...
Albatross is an API for Covid-related travel restrictio… |
Spain
|
2020 |
API
IT
+1
|
— | — | — | — | — | 1 | — |
|
|
INLOC Robotics
AI-Automated Sewer Diagnostics and Asset Management |
Spain
|
2014 |
AI
API
+3
|
— | — | — | — | — | 12 | — |
|
Digital Samba
Easy video conferencing right from your browser! GDPR-c… |
Spain
|
2003 |
API
Analytics
+6
|
— | — | — | — | — | 11 | — |
|
|
Inet Smart ITC
Connecting people through technology |
Spain
|
— |
API
IT Infrastructure
+2
|
— | — | — | — | — | 159 | — |
