Carbonmark Developers
  • CARBONMARK API
    • Introduction to Carbonmark API
    • Versioning & Release Process
      • v15
      • v16
    • Quickstart
    • Explore Carbon Projects
      • Find carbon projects by country
      • Find carbon projects by vintage
      • Find carbon projects by methodology category
      • Find carbon projects by project name or description
    • Explore Index Products
      • Find index products
    • Retire Carbon
      • Postman Quickstart Guide
    • API Checkout Service (beta)
    • API Reference
  • Transfer Credits
    • Transfer Credits to/from Carbonmark
      • ICR: Import Credits to Carbonmark
      • ICR: Export Credits to ICR
      • Puro Bridge Integration Guide
  • Carbonmark Direct
    • Direct Credit Issuance
  • Resources
    • Contact us
    • Book a demo
    • Terms of Use
    • Privacy Policy
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On this page
  • About
  • Benefits of Carbonmark API for seamless carbon offsetting
  • Carbonmark's API integration success stories
  • Getting started
  1. CARBONMARK API

Introduction to Carbonmark API

Access real-time carbon market data and programmatically retire carbon credits via our carbon offsetting API.

NextVersioning & Release Process

Last updated 1 month ago

About

Carbonmark is your gateway to the voluntary carbon market, simplifying access, procurement, and the retirement of verified carbon credits. Our platform makes environmental asset management more accessible, efficient, and secure.

With Carbonmark’s API, you can embed high-integrity carbon projects directly into your application, enabling automated offsetting and expanding your climate-focused offerings. Whether you're building a consumer app, fintech product, or sustainability dashboard, our API helps you source verified carbon credits automatically and scale your environmental impact with ease.

Enhance your sustainability efforts with a transparent, efficient, and actionable carbon credit API!

Benefits of Carbonmark API for seamless carbon offsetting

  • Advanced reporting and a user-friendly dashboard to discover, purchase, and retire carbon credits with ease.

  • Real-time quoting and pricing.

  • Instant transaction settlement with publicly available retirement certificates.

  • Ability to offset fractional quantities (as low as 0.001 tCO₂).

  • No need to carry inventory—simply route orders through the API and receive an invoice at the end of the month.

  • Access to development test API keys is free.

Carbonmark's API integration success stories

  • Learn how consumer-focused apps like TrueMoney incorporate sustainability features to enhance user experience, foster customer loyalty, and unlock new revenue streams.

  • See how blockchain technology makes carbon offsetting part of everyday transactions.

  • Dive into this real-world success story and gain actionable insights for your sustainability journey.

Getting started

Ready to integrate carbon offsetting into your platform? Access our Quickstart guide below to complete your first retirement.

Discover how is driving change with Carbonmark’s API integration, empowering millions of users to participate in climate action. In our we highlight how their payment gateway solution enables over 27 million payment app users to offset their daily carbon footprint through our carbon offsetting API in just a few clicks.

To explore how programmatic carbon offsetting can elevate your sustainability strategy and see the Carbonmark API in action, with our team.

Visit our website to learn more about our solutions for buyers, sellers and software developers.

Ascend Bit Corp
blog post, “Go Carbon Neutral,”
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carbonmark.com
Quickstart