Wren Offset Orders API
Create and list carbon offset orders by tonnage
Wren Offset Orders API is one of 7 APIs that Wren publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Offset Orders. The published artifact set on APIs.io includes an OpenAPI specification.
This API exposes 4 operations across 3 paths, and defines 6 schemas. It is described by OpenAPI 3.1.0, at version 2026-07-21.
Requests are made against a single base URL, https://www.wren.co.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Wren Offset Orders API declares
2 security schemes
for authenticating requests.
It accepts HTTP basic authentication (basicAuth).
It accepts HTTP bearer tokens (bearerAuth).
By default, every request must be authenticated.
basicAuth— Recommended for curl: pass the API token as the username with an empty password (-u [apitoken]:). Token types: team live token (UUID), team test token (wrentes…bearerAuth— Authorization: Bearer [apitoken] with the same token types as Basic auth.
Paths & Operations 4
Across 3 paths, the API surfaces 4 operations — 3 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.
Create and list carbon offset orders by tonnage
Schemas 6
The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are OffsetOrderResponse (8 properties), OffsetOrderRequest (8 properties), Project (7 properties), Portfolio (6 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 Wren publishes across the network.