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Bkper API Reference

Complete API reference for Bkper — REST APIs, bkper-js, bkper-gs, bkper-api-types, bkper-web-auth, and bkper-web-design tokens.

Technical reference documentation for Bkper APIs and SDKs. Use the public self-service path below, then choose the interface that fits your workflow.

Start building

  1. Start with a free Bkper account

    Open Bkper Pricing, choose Start free, and sign in. The Free plan requires no credit card.

  2. Install the official CLI

    npm install -g bkper

  3. Authenticate

    bkper auth login

    The CLI starts Bkper’s self-service Google OAuth authorization flow and stores the resulting credentials locally.

  4. Verify access with a read-only command

    bkper book list

This path uses your real Bkper account and its existing Book permissions. Bkper does not provide a separate API sandbox.

Choose an interface

Bkper REST API Full OpenAPI reference for the Bkper REST API — endpoints, parameters, and response schemas.
Bkper AI API OpenAPI reference for Bkper AI — discover models and create complete or streaming responses.
bkper-js JavaScript/TypeScript client library for Bkper — classes, interfaces, and type definitions.
bkper-gs Google Apps Script library for Bkper — use Bkper directly in Google Sheets and Apps Script projects.
bkper-web-auth Web authentication SDK for Bkper — OAuth flows, token management, and session handling.
bkper-api-types TypeScript type definitions for the Bkper API — shared interfaces and enumerations.
Bkper Web Design Tokens CSS design tokens — typography, spacing, colors, and theming for Bkper web applications.

Public contracts and discovery