Create Credential Type

Create or import a credential type with a random UUID. This is how you define a custom credential schema.

API scope required credentials.create

POST /v1-alpha1/credentials/types

Try it

Create Credential Type

cURL

curl --request POST \
  --url https://staging.crossmint.com/api/v1-alpha1/credentials/types \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Course completion",
  "description": "Describes the course completed and the assigned grade",
  "type": "object",
  "properties": {
    "credentialSubject": {
      "type": "object",
      "properties": {
        "course": {
          "type": "string"
        },
        "grade": {
          "type": "string"
        },
        "id": {
          "type": "string"
        }
      },
      "required": [
        "course",
        "grade"
      ],
      "additionalProperties": false
    }
  }
}
'

200

{
  "id": "crossmint:bfb292e7-2700-4924-9213-478f3d71f2d8:CourseCompletionCertificate",
  "typeSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "title": "Course completion",
    "description": "Describes the course completed and the assigned grade",
    "type": "object",
    "properties": {
      "credentialSubject": {
        "type": "object",
        "properties": {
          "course": {
            "type": "string"
          },
          "grade": {
            "type": "string"
          },
          "id": {
            "type": "string"
          }
        },
        "required": [
          "course",
          "grade"
        ],
        "additionalProperties": false
      }
    },
    "$id": "https://staging.crossmint.com/api/v1-alpha1/credentials/types/crossmint:bfb292e7-2700-4924-9213-478f3d71f2d8:CourseCompletionCertificate"
  }
}

Authorizations

X-API-KEY · string · header · required

Key obtained from the Crossmint developer console, reflecting the API scope granted.

Body

application/json

Create Type

Import Type

$schema · string

Example:

"https://json-schema.org/draft/2020-12/schema"

title · string

Example:

"Course completion"

description · string

Example:

"Describes the course completed and the assigned grade"

type · string

Example:

"object"

properties · object

Show child attributes

properties. credentialSubject · object

Example:

{
  "type": "object",
  "properties": {
    "course": { "type": "string" },
    "grade": { "type": "string" },
    "id": { "type": "string" }
  },
  "required": ["course", "grade"],
  "additionalProperties": false
}

Response

200

application/json

Success.

id · string

Example:

"crossmint:bfb292e7-2700-4924-9213-478f3d71f2d8:CourseCompletionCertificate"

typeSchema · object

Show child attributes

typeSchema. $schema · string

Example:

"https://json-schema.org/draft/2020-12/schema"

typeSchema. title · string

Example:

"Course completion"

typeSchema. description · string

Example:

"Describes the course completed and the assigned grade"

typeSchema. type · string

Example:

"object"

typeSchema. properties · object

Show child attributes

typeSchema.properties. credentialSubject · object

Example:

{
  "type": "object",
  "properties": {
    "course": { "type": "string" },
    "grade": { "type": "string" },
    "id": { "type": "string" }
  },
  "required": ["course", "grade"],
  "additionalProperties": false
}

typeSchema. $id · string

Example:

"https://staging.crossmint.com/api/v1-alpha1/credentials/types/crossmint:bfb292e7-2700-4924-9213-478f3d71f2d8:CourseCompletionCertificate"