Wren

Wren is a company surfaced as a portfolio company of union-square-ventures and added to the API Evangelist network as a stub for enrichment. This profile is a lead awaiting the enrichment pipeline.

Wren publishes 7 APIs on the APIs.io network, including Credits API, Offset Orders API, Portfolios API, and 4 more. Tagged areas include Company.

🌐 Visit website 📡 Source on GitHub
7.4/100 minimal ▬ flat Agent 18/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0
7 APIs
Company

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0
Composite quality — 7.4/100 · minimal
Contract Quality 3.7 / 25
Developer Ergonomics 0.0 / 20
Access Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Contract Governance 0.0 / 12
Discoverability 3.7 / 10
Agent readiness — 18/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/wren: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Wren Credits API

Manage the prepaid credit balance

Wren Offset Orders API

Create and list carbon offset orders by tonnage

Wren Portfolios API

List available portfolios and their projects

Wren Project Donations API

List non-offsettable project funding

Wren Project Orders API

Fund a specific project by dollar amount

Wren Purchases API

List purchase summaries with certificate URLs

Wren Tree Orders API

Create and list tree-planting orders

Scroll for all 7

Postman Collections 1

Ready-to-run Postman collections for exercising this provider's APIs.

Wren API

POSTMAN

Open Collections 8

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Wren Credits API

OPEN COLLECTION

Wren Credits Offset Orders API

OPEN COLLECTION

Wren Credits Portfolios API

OPEN COLLECTION

Wren Credits Project Donations API

OPEN COLLECTION

Wren Credits Project Orders API

OPEN COLLECTION

Wren Credits Purchases API

OPEN COLLECTION

Wren Credits Tree Orders API

OPEN COLLECTION

Scroll for all 8

Resources

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: wren
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/wren.png
name: Wren
description: Wren is a company surfaced as a portfolio company of union-square-ventures and added to the API Evangelist network
  as a stub for enrichment. This profile is a lead awaiting the enrichment pipeline.
url: https://raw.githubusercontent.com/api-evangelist/wren/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- union-square-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-17'
tags:
- Company
apis:
- aid: wren:wren-credits-api
  name: Wren Credits API
  description: Manage the prepaid credit balance
  tags:
  - Credits
  properties:
  - type: OpenAPI
    url: openapi/wren-credits-api-openapi.yml
- aid: wren:wren-offset-orders-api
  name: Wren Offset Orders API
  description: Create and list carbon offset orders by tonnage
  tags:
  - Offset Orders
  properties:
  - type: OpenAPI
    url: openapi/wren-offset-orders-api-openapi.yml
- aid: wren:wren-portfolios-api
  name: Wren Portfolios API
  description: List available portfolios and their projects
  tags:
  - Portfolio
  tags_raw:
  - Portfolios
  properties:
  - type: OpenAPI
    url: openapi/wren-portfolios-api-openapi.yml
- aid: wren:wren-project-donations-api
  name: Wren Project Donations API
  description: List non-offsettable project funding
  tags:
  - Project Donations
  properties:
  - type: OpenAPI
    url: openapi/wren-project-donations-api-openapi.yml
- aid: wren:wren-project-orders-api
  name: Wren Project Orders API
  description: Fund a specific project by dollar amount
  tags:
  - Project Orders
  properties:
  - type: OpenAPI
    url: openapi/wren-project-orders-api-openapi.yml
- aid: wren:wren-purchases-api
  name: Wren Purchases API
  description: List purchase summaries with certificate URLs
  tags:
  - Purchases
  properties:
  - type: OpenAPI
    url: openapi/wren-purchases-api-openapi.yml
- aid: wren:wren-tree-orders-api
  name: Wren Tree Orders API
  description: Create and list tree-planting orders
  tags:
  - Tree Orders
  properties:
  - type: OpenAPI
    url: openapi/wren-tree-orders-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://projectwren.com

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