> For the complete documentation index, see [llms.txt](https://docs.vida.id/identity-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vida.id/identity-stack/sign/introduction/overview.md).

# Overview

VIDA’s identity and signature solutions are built to handle everything from basic document signing to complex enterprise-grade digital workflows. 

### **Digital Sign**

**VIDA's Digital Sign solution** is a secure, compliant platform for executing legally binding electronic signatures. Whether you’re a developer integrating workflows or a business needing an out-of-the-box tool, our suite offers multiple ways to sign, send, and manage documents with ease.

| Product                      | Description                                                                                                       | Learn More                                                                |
| ---------------------------- | ----------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------- |
| **VIDA Sign Platform (VSP)** | A hosted, ready-to-use platform that lets users upload, sign, and send documents. No setup or coding required.    | [Try VSP Free](https://sign.vida.id)                                      |
| **VSP OpenAPI**              | Developer-focused API for integrating advanced signing workflows into internal systems.                           | [OpenAPI](/identity-stack/sign/digital-signature/vsp-openapi.md)          |
| **DirectSign API**           | Embedded signing for web and mobile, enabling in-app real-time signature flows with authentication.               | [DirectSign](/identity-stack/sign/digital-signature/directsign-api.md)    |
| **POA Sign API**             | Automated, delegated signing solution for Power of Attorney use cases ideal for high-volume flows.                | [POA Sign](/identity-stack/sign/digital-signature/poa-sign-inline-api.md) |
| **Sign Inline API**          | VIDA's Sign Inline API equips businesses with the tools to optimize and simplify their document signing workflows | [Sign Inline](/identity-stack/sign/other-services/sign-inline-api.md)     |

### **e-Meterai Stamp**

**VIDA’s e-Meterai service** enables the application of government-approved electronic stamp duties directly on digital documents. It supports multiple integration modes whether as part of a signing workflow, via standalone API, or through a secure desktop application for offline/regulatory scenarios.

| Product                      | Description                                                                      | Suitable For                         | Learn More                                                                        |
| ---------------------------- | -------------------------------------------------------------------------------- | ------------------------------------ | --------------------------------------------------------------------------------- |
| **OpenAPI Integration**      | Seamlessly embed e-Meterai into VIDA Sign workflows using the same OpenAPI.      | Enterprises using VIDA Sign          | [VSP OpenAPI](/identity-stack/sign/digital-signature/vsp-openapi.md)              |
| **Standalone e-Meterai API** | Directly apply e-Meterai stamps to documents without using the signing platform. | Third-party platforms or custom apps | [API Docs](/identity-stack/sign/e-meterai-stamp/api-integration/e-meterai-api.md) |