IntegrationOS Billing API
The Billing API from IntegrationOS — 1 operation(s) for billing.
IntegrationOS Billing API is one of 31 APIs that IntegrationOS publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Billing. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, a getting-started guide, API documentation, and an engineering blog.
This API exposes 2 operations across 1 path, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 5.35.0.
Requests are made against the base URL https://api.withone.ai.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 7
IntegrationOS Billing API declares
7 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (Bearer).
It supports OAuth 2.0 (OAuth2) using the authorizationCode flow, exposing 38 scopes.
An API key is passed in the cookie as withone (Session).
An API key is passed in the header as X-One-Connection-Key (X-One-Connection-Key).
An API key is passed in the header as X-One-Secret (X-One-Secret).
An API key is passed in the header as X-One-Connection-Key (X-Pica-Connection-Key).
An API key is passed in the header as X-One-Secret (X-Pica-Secret).
Paths & Operations 2
Across 1 path, the API surfaces 2 operations — 1 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.
Schemas 4
The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are ErrorResponse (5 properties), StartAiAgentSeatTrialParams (2 properties), AiAgentSeatTrialOffer (2 properties), CheckoutSessionResponse (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from IntegrationOS 12
Other APIs IntegrationOS publishes across the network.
This is an independent, third-party profile of IntegrationOS Billing 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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