generated: '2026-07-24' method: searched source: https://github.com/Modulr-finance notes: >- Modulr does not publish full generated SDKs to the language registries (npm/PyPI/ Maven Central/NuGet). Its first-party client tooling is on the Modulr-finance GitHub org and centres on HMAC request-signing helpers plus a Java API client. packages: - language: java registry: github name: java-hmac-api-client url: https://github.com/Modulr-finance/java-hmac-api-client install: git clone https://github.com/Modulr-finance/java-hmac-api-client description: First-party Java client that handles HMAC auth to the Modulr API (Gradle + Swagger-generated client). official: true - language: multi registry: github name: modulr-hmac url: https://github.com/Modulr-finance/modulr-hmac install: git clone https://github.com/Modulr-finance/modulr-hmac description: >- Official HMAC header calculation utility with worked examples in Java, Kotlin, JavaScript/Node.js, Python, Ruby, C, C++, C#, Go, PowerShell and a Postman pre-request script. official: true