Credits

Credit data

Get credit data for a specific project

Given the id of a project this endpoint returns the summary of credit data for all vintages for the project. Callable by any access token regardless of permissions.

Project vintages

get

Returns a summary of the current state of credits for the given project

Path parameters

idstringRequired

Responses

200Success

application/json

get

/carbonCredits/projects/{id}

HTTPcURLJavaScriptPython

GET /carbonCredits/projects/{id} HTTP/1.1
Host: api.carbonregistry.com
Accept: */*

200Success

{
  "summary": {
    "exPost": 1200,
    "exPostCancelled": 0,
    "exAnte": 15,
    "exAnteCancelled": 0,
    "retired": 13.5,
    "validated": 3500
  },
  "vintages": [
    {
      "events": [
        {
          "id": "text",
          "vintage": "text",
          "createdAt": "2026-01-29T14:03:48.686Z",
          "amount": 1,
          "type": "issuance",
          "creditType": "carbon",
          "monitoringPeriodStart": "2026-01-29T14:03:48.686Z",
          "monitoringPeriodEnd": "2026-01-29T14:03:48.686Z",
          "files": [
            {
              "fileName": "text",
              "id": "text",
              "size": 1024,
              "url": "text",
              "type": "monitoringReport"
            }
          ],
          "verificationBody": {
            "id": "text",
            "directoryUrl": "text",
            "fullName": "text"
          }
        }
      ],
      "vintage": "2023",
      "summary": {
        "exPost": 1200,
        "exPostCancelled": 0,
        "exAnte": 15,
        "exAnteCancelled": 0,
        "retired": 13.5,
        "validated": 3500
      }
    }
  ],
  "project": {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "fullName": "Project 1",
    "url": "https://api.carbonregistry.com/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
    "publicUrl": "https://carbonregistry.com/explore/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
    "num": "713"
  }
}

cURL

curl -X 'GET' \
  'https://api.carbonregistry.com/carbonCredits/projects/{PROJECT_ID}' \
  -H 'accept: application/json' \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"\
  -H 'x-icr-api-version: 2023-06-16'

Typescript

Get credit data for ICR Buffer Account

This endpoint returns the credit inventory for the ICR buffer account. Callable by any access token regardless of permissions.

ICR Buffer Inventory

get

Returns the inventory of ICR Buffer Account

Responses

200Success

application/json

get

/carbonCredits/icr/inventory/buffer

HTTPcURLJavaScriptPython

GET /carbonCredits/icr/inventory/buffer HTTP/1.1
Host: api.carbonregistry.com
Accept: */*

200Success

{
  "summary": {
    "exPost": 1200,
    "exAnte": 15,
    "retired": 13.5
  },
  "organization": {
    "fullName": "John Doe",
    "logo": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRzKakVt-GHFNrAN9xFd8B26vYVFLyWoUds8w&usqp=CAU",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "publicUrl": "https://www.carbonregistry.com/explore/organizations/62ffdcad-bd0d-42f7-b8ff-28785a929ed0"
  },
  "credits": [
    {
      "organizationId": "123e4567-e89b-12d3-a456-426614174000",
      "id": "exPost-2-0x1234567890abcdef",
      "tokenId": "abcdef",
      "tokenAddress": "0x1234567890abcdef",
      "project": {
        "id": "123e4567-e89b-12d3-a456-426614174000",
        "fullName": "Project 1",
        "url": "https://api.carbonregistry.com/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "publicUrl": "https://carbonregistry.com/explore/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "num": "713"
      },
      "serialization": "ICR-ISL-354-78040-14-R-0-2021",
      "vintage": "2020",
      "supply": 1000,
      "unit": "tonne",
      "amount": 100,
      "type": "exAnte"
    }
  ]
}

cURL

curl -X 'GET' \
  'https://api.carbonregistry.com/carbonCredits/icr/inventory/buffer' \
  -H 'accept: application/json' \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"\
  -H 'x-icr-api-version: 2023-06-16'

Typescript

Get credit data for ICR Adjustment Account

This endpoint returns the credit inventory for the ICR adjustment account. Callable by any access token regardless of permissions.

ICR Adjustment Inventory

get

Returns the inventory of ICR Adjustment account

Responses

200Success

application/json

get

/carbonCredits/icr/inventory/adjustment

HTTPcURLJavaScriptPython

GET /carbonCredits/icr/inventory/adjustment HTTP/1.1
Host: api.carbonregistry.com
Accept: */*

200Success

{
  "summary": {
    "exPost": 1200,
    "exAnte": 15,
    "retired": 13.5
  },
  "organization": {
    "fullName": "John Doe",
    "logo": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRzKakVt-GHFNrAN9xFd8B26vYVFLyWoUds8w&usqp=CAU",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "publicUrl": "https://www.carbonregistry.com/explore/organizations/62ffdcad-bd0d-42f7-b8ff-28785a929ed0"
  },
  "credits": [
    {
      "organizationId": "123e4567-e89b-12d3-a456-426614174000",
      "id": "exPost-2-0x1234567890abcdef",
      "tokenId": "abcdef",
      "tokenAddress": "0x1234567890abcdef",
      "project": {
        "id": "123e4567-e89b-12d3-a456-426614174000",
        "fullName": "Project 1",
        "url": "https://api.carbonregistry.com/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "publicUrl": "https://carbonregistry.com/explore/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "num": "713"
      },
      "serialization": "ICR-ISL-354-78040-14-R-0-2021",
      "vintage": "2020",
      "supply": 1000,
      "unit": "tonne",
      "amount": 100,
      "type": "exAnte"
    }
  ]
}

cURL

curl -X 'GET' \
  'https://api.carbonregistry.com/carbonCredits/icr/inventory/adjustment' \
  -H 'accept: application/json' \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"\
  -H 'x-icr-api-version: 2023-06-16'

Get credit data for ICR Organization Account

This endpoint returns the credit inventory for the ICR organization account. Callable by any access token regardless of permissions.

ICR Adjustment Inventory

get

Returns the inventory of ICR Organization account

Responses

200Success

application/json

get

/carbonCredits/icr/inventory/organization

HTTPcURLJavaScriptPython

GET /carbonCredits/icr/inventory/organization HTTP/1.1
Host: api.carbonregistry.com
Accept: */*

200Success

{
  "summary": {
    "exPost": 1200,
    "exAnte": 15,
    "retired": 13.5
  },
  "organization": {
    "fullName": "John Doe",
    "logo": "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRzKakVt-GHFNrAN9xFd8B26vYVFLyWoUds8w&usqp=CAU",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "publicUrl": "https://www.carbonregistry.com/explore/organizations/62ffdcad-bd0d-42f7-b8ff-28785a929ed0"
  },
  "credits": [
    {
      "organizationId": "123e4567-e89b-12d3-a456-426614174000",
      "id": "exPost-2-0x1234567890abcdef",
      "tokenId": "abcdef",
      "tokenAddress": "0x1234567890abcdef",
      "project": {
        "id": "123e4567-e89b-12d3-a456-426614174000",
        "fullName": "Project 1",
        "url": "https://api.carbonregistry.com/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "publicUrl": "https://carbonregistry.com/explore/projects/47abd663-fb35-4b2e-ad08-c347e761649e",
        "num": "713"
      },
      "serialization": "ICR-ISL-354-78040-14-R-0-2021",
      "vintage": "2020",
      "supply": 1000,
      "unit": "tonne",
      "amount": 100,
      "type": "exAnte"
    }
  ]
}

cURL

curl -X 'GET' \
  'https://api.carbonregistry.com/carbonCredits/icr/inventory/organization' \
  -H 'accept: application/json' \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"\
  -H 'x-icr-api-version: 2023-06-16'