Quaderno Transactions API
Unified sales transactions that both record a sale and calculate tax.
Quaderno Transactions API is one of 14 APIs that Quaderno publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Transaction. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 1 operation across 1 path, and defines 3 schemas. It is described by OpenAPI 3.2.0, at version 1.0.
Requests are made against a single base URL, https://{account}.quadernoapp.com/api.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Quaderno Transactions API declares
1 security scheme
for authenticating requests.
It accepts HTTP basic authentication (basicAuth).
By default, every request must be authenticated.
basicAuth— HTTP Basic Authentication. Use your private API key as the username; the password can be any value. API keys are managed in the Quaderno account settings.
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.
Unified sales transactions that both record a sale and calculate tax.
Schemas 3
The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are TransactionInput (4 properties), Error (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs Quaderno publishes across the network.
This is an independent, third-party profile of Quaderno Transactions API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
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