Union54

Active

Developers of ChitChat, an integrated messaging and payments wallet…

Summer 2021Founded 202117 peopleLusaka, Lusaka Province, Zambia; Remote

union54.com ↗LinkedIn ↗See on the Idea Map Fintech momentum

About

ChitChat by Union54 is an integrated messaging and payments platform designed specifically for Africa's unique needs. Our app combines secure instant messaging with USD card capabilities and cross-border payments, making international money movement more accessible and affordable. We're tackling one of Africa's biggest financial challenges: the high cost of sending money across borders, where African senders often pay double the fees despite sending smaller amounts. As a Y Combinator-backed startup, we're building technology that empowers African consumers and businesses to participate more fully in the global digital economy. Our mission is to create financial products that genuinely serve customer needs while challenging the status quo of traditional remittance providers.

From their website

as of Jun 7, 2026union54.com ↗

API/Infra

Union54 offers an API-driven card issuing platform for virtual and physical debit cards, designed to be integrated quickly without a sponsor bank or third-party processor. The product emphasizes a developer-first API with end-to-end card issuing, from design to production, including multi-currency features and card controls. It positions itself as a platform for brands to issue and manage card programs with their own branding.

Issuing virtual and physical debit cards via a RESTful API. Features include BIN sponsorship, authorization and fulfillment in one API, card production handled by Union54, and the ability to design packaging and branding. The API supports sandbox-to-production deployment in weeks, with card controls, spend limits, and team permissions. Optional governance includes store-of-value handling and authorization either by Union54 or by the user's own system. The platform aims to cover multiple use cases such as corporate, payroll, BNPL, delivery driver programs, digital banking, and more, all with multi-currency support and a centralized card management platform.

Who it’s for: Companies and developers looking to issue programmable virtual or physical debit cards for branded experiences, employee or customer programs, merchant settlements, or multi-currency use cases.

Features

virtual and physical card issuance
branding and packaging customization
sandbox to production in weeks
RESTful API with webhooks
card controls and spend limits
team permissions and governance
multi-currency support

Hiring and growth mentions implied by enterprise-focused capabilities; creation of a developer-first platform with onboarding and sandbox-to-production emphasis.