# Keynua API

**Canonical:** https://apis.io/apis/keynua/keynua-api/  
**Provider:** Keynua — https://apis.io/providers/keynua/  
**Base URL:** https://api.keynua.com  
**Documentation:** https://keynua.github.io/slate

Keynua API is published by [Keynua](https://apis.io/providers/keynua/) on the [APIs.io](https://apis.io/) network. Tagged areas include Electronic Signature, Identity Verification, Contracts, and OTP. The published artifact set on APIs.io includes API documentation, an API reference, and a getting-started guide.

REST API for creating contracts, sending them to signers over WhatsApp/SMS/email, running biometric identity verification, generating documents from templates, sending and verifying OTPs, and registering Deceval promissory notes. Requests are authenticated with x-api-key + authorization header secrets against staging (api.stg.keynua.com) or production (api.keynua.com).

## Machine-readable artifacts (5)

- **Documentation** — https://keynua.github.io/slate
- **APIReference** — https://keynua.github.io/slate
- **GettingStarted** — https://keynua.github.io/slate/#introduction
- **StagingBaseURL** — https://api.stg.keynua.com
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/keynua/refs/heads/main/apis.yml

## Tags

Electronic Signature, Identity Verification, Contracts, OTP

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/keynua/keynua-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/keynua/.