A woman with long, dark, wavy hair looks thoughtfully at a screen, resting her chin on her hand. She holds a smartphone as blue light from digital screens reflects on her face, evoking a modern atmosphere powered by financial services APIs.

Financial Services

Connecting finance and networks through secure financial services APIs that protect customers, streamline authentication, and power trusted digital transactions worldwide

Through GSMA Fusion, operators and fintechs are defining new financial services APIs

Financial institutions face constant pressure to protect customers and simplify digital experiences. Yet fraud, identity theft, and authentication failures remain persistent challenges. GSMA Fusion helps banks, fintechs, and mobile operators collaborate on APIs that improve trust, security, and compliance. These APIs let verified network data power real-time identity checks, payment authentication, and customer onboarding. By combining telecom intelligence with financial innovation, operators can help institutions reduce fraud losses and meet tightening regulatory standards.

Open Gateway APIs such as Number Verification, SIM Swap, and Know Your Customer deliver consistent, interoperable tools for secure digital finance. Through Fusion, industry partners can test, validate, and scale solutions across markets while maintaining user privacy and regulatory alignment. Financial services APIs turn connectivity into a foundation for safer, faster, and more inclusive financial systems.

Financial services APIs

Number Verification

Verify a customer’s phone number instantly to prevent identity fraud.

Know Your Customer (Age Verification)

Confirm age and identity through secure network data for compliant onboarding.

Location Verification

Validate transaction location in real time to reduce payment fraud.

Our Financial service partners

Work with us

Join GSMA Fusion to shape the next generation of secure digital finance. Define your requirements with mobile operators, explore new financial services APIs, and co-create interoperable solutions that enhance trust, compliance, and innovation across global markets.