Create Credential Type
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 '
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "Course completion",
"description": "Describes the course completed and the assigned grade",
"type": "object",
"properties": {
"credentialSubject": {
"type": "object",
"properties": {
"course": {
"type": "string"
},
"grade": {
"type": "string"
},
"id": {
"type": "string"
}
},
"required": [
"course",
"grade"
],
"additionalProperties": false
}
}
}
'import requests
url = "https://staging.crossmint.com/api/v1-alpha1/credentials/types"
payload = {
"$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
} }
}
headers = {
"X-API-KEY": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
$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
}
}
})
};
fetch('https://staging.crossmint.com/api/v1-alpha1/credentials/types', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://staging.crossmint.com/api/v1-alpha1/credentials/types",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'$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
]
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://staging.crossmint.com/api/v1-alpha1/credentials/types"
payload := strings.NewReader("{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://staging.crossmint.com/api/v1-alpha1/credentials/types")
.header("X-API-KEY", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://staging.crossmint.com/api/v1-alpha1/credentials/types")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}"
response = http.request(request)
puts response.read_body{
"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"
}
}Verifiable Credential Types
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
Create Credential Type
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 '
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "Course completion",
"description": "Describes the course completed and the assigned grade",
"type": "object",
"properties": {
"credentialSubject": {
"type": "object",
"properties": {
"course": {
"type": "string"
},
"grade": {
"type": "string"
},
"id": {
"type": "string"
}
},
"required": [
"course",
"grade"
],
"additionalProperties": false
}
}
}
'import requests
url = "https://staging.crossmint.com/api/v1-alpha1/credentials/types"
payload = {
"$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
} }
}
headers = {
"X-API-KEY": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
$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
}
}
})
};
fetch('https://staging.crossmint.com/api/v1-alpha1/credentials/types', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://staging.crossmint.com/api/v1-alpha1/credentials/types",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'$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
]
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://staging.crossmint.com/api/v1-alpha1/credentials/types"
payload := strings.NewReader("{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://staging.crossmint.com/api/v1-alpha1/credentials/types")
.header("X-API-KEY", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://staging.crossmint.com/api/v1-alpha1/credentials/types")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"title\": \"Course completion\",\n \"description\": \"Describes the course completed and the assigned grade\",\n \"type\": \"object\",\n \"properties\": {\n \"credentialSubject\": {\n \"type\": \"object\",\n \"properties\": {\n \"course\": {\n \"type\": \"string\"\n },\n \"grade\": {\n \"type\": \"string\"\n },\n \"id\": {\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"course\",\n \"grade\"\n ],\n \"additionalProperties\": false\n }\n }\n}"
response = http.request(request)
puts response.read_body{
"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"
}
}This is an alpha API and subject to change.
Authorizations
Key obtained from the Crossmint developer console, reflecting the API scope granted.
Body
application/json
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