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LibraryResource

The LibraryResource object

The LibraryResource object looks like this in JSON:

{
    "object": "library_resource",
    "id": 6,
    "resource_type_id": 11,
    "title": "Purgatorio",
    "authors": "Dante",
    "replacement_price": null,
    "lccn": null,
    "total_loans": null,
    "total_recommendations": null,
    "image_file_id": null,
    "import_id": null,
    "added_at": null,
    "added_by_id": null,
    "updated_at": "2011-02-01T19:06:08+00:00",
    "sandbox": true,
    "api_version": null
}
Attribute Required Data Type
id Yes int
resource_type_id No int
title No text (500)
authors No text (500)
replacement_price No decimal
lccn No text (50)
total_loans Yes int
total_recommendations Yes int
image_file_id No int
import_id No int
added_at No datetime
added_by_id No int
updated_at No datetime
sandbox No bool
api_version No --

index

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X GET
-d '{
    "filter": []
}' \ 
require 'httparty'
response = HTTParty.get(
 'https://yourschool.populiweb.com/api2/libraryresources',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.get(
 'https://yourschool.populiweb.com/api2/libraryresources',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources"), Method.Get);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'GET');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "list",
    "count": 2,
    "results": 2,
    "results_per_page": 200,
    "pages": 1,
    "page": 1,
    "offset": 0,
    "has_more": false,
    "data": [
        {
            "object": "library_resource",
            "id": 7,
            "resource_type_id": 11,
            "title": "API Test Resource",
            "authors": null,
            "replacement_price": null,
            "lccn": null,
            "total_loans": null,
            "total_recommendations": null,
            "image_file_id": null,
            "import_id": null,
            "added_at": null,
            "added_by_id": null,
            "updated_at": "2011-02-01T19:06:08+00:00",
            "report_data": {
                "publishers": null,
                "published_date": null,
                "isbn": null,
                "resource_type_name": "Book",
                "author": "",
                "deleted_on": null,
                "number_of_copies": 0
            }
        }
    ],
    "sandbox": true,
    "api_version": "2026-07-13"
}

Retrieves all LibraryResource objects that match given filter conditions.

HTTP Request

GET /libraryresources

Parameters

Name Required Data Type Description
filter No mixed See available filter conditions
page No int The page of results to return if more than 200 records are found.

Expandable Properties

Filter Condition Parameters

These conditions can be used to narrow the results returned.

Name Type
title text
authors text
type object id
num_copies integer
status choice
added_at datetime
deleted_at datetime
resource_field resourcefield

Permissions

One of the following roles is required to call this method:

create

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X POST
-d '{
    "title": "An Incomplete Education",
    "resource_type_id": 11,
    "replacement_price": "12.50",
    "fields": "{\"isbn\":\"9780140448968\"}"
}' \ 
require 'httparty'
response = HTTParty.post(
 'https://yourschool.populiweb.com/api2/libraryresources',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
 body: {
  :title => 'An Incomplete Education',
  :resource_type_id => 11
 }.to_json
)
puts response.body
import requests
response = requests.post(
 'https://yourschool.populiweb.com/api2/libraryresources',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
 json={
  'title': 'An Incomplete Education',
  'resource_type_id': 11
 }
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources"), Method.Post);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
request.AddJsonBody(new {
  title = "An Incomplete Education",
  resource_type_id = 11
});
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode([
  'title' => 'An Incomplete Education',
  'resource_type_id' => 11
]));
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource",
    "id": 8,
    "resource_type_id": 11,
    "title": "An Incomplete Education",
    "authors": null,
    "replacement_price": 12.5,
    "lccn": null,
    "total_loans": null,
    "total_recommendations": null,
    "image_file_id": null,
    "import_id": null,
    "added_at": "2026-10-20T00:04:13+00:00",
    "added_by_id": 22,
    "updated_at": "2026-10-20T00:04:13+00:00",
    "sandbox": true,
    "api_version": "2026-07-13"
}

Creates a new LibraryResource object. If any metadata or field values fail to save, the response will be an error, but the resource itself may still have been created without them.

HTTP Request

POST /libraryresources

Parameters

Name Required Data Type Description
title Yes text (500)
resource_type_id Yes int The id of the resource's type (e.g. 11 = Book). A resource must have a type. See /libraryresourcetypes/index for the available types.
replacement_price No decimal
lccn No text (50)
fields No object A map of field ids, qualified names (e.g. "populi:ISBN"), or aliases (e.g. "isbn") to values - see /libraryresources/fields for available fields. Multi-value fields take an array of values. Agent-type fields (e.g. creator, publisher) take an agent id, a name, or an object in the form {"value": "name or agent id", "type": "PERSON

library_fields

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/fields" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X GET
require 'httparty'
response = HTTParty.get(
 'https://yourschool.populiweb.com/api2/libraryresources/fields',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.get(
 'https://yourschool.populiweb.com/api2/libraryresources/fields',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/fields"), Method.Get);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/fields');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'GET');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "list",
    "count": 62,
    "results": 62,
    "results_per_page": null,
    "pages": 1,
    "page": 1,
    "offset": 0,
    "has_more": false,
    "data": [
        {
            "object": "library_field",
            "id": 15,
            "name": "Abstract",
            "qualified_name": "dcterms:abstract",
            "description": "A summary of the resource.",
            "data_type": "TEXT"
        }
    ],
    "sandbox": true,
    "api_version": "2026-07-13"
}

HTTP Request

GET /libraryresources/fields

Parameters

None

Permissions

One of the following roles is required to call this method:

show

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X GET
require 'httparty'
response = HTTParty.get(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.get(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)"), Method.Get);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'GET');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource",
    "id": 6,
    "resource_type_id": 11,
    "title": "Purgatorio",
    "authors": "Dante",
    "replacement_price": null,
    "lccn": null,
    "total_loans": null,
    "total_recommendations": null,
    "image_file_id": null,
    "import_id": null,
    "added_at": null,
    "added_by_id": null,
    "updated_at": "2011-02-01T19:06:08+00:00",
    "sandbox": true,
    "api_version": "2026-07-13"
}

Retrieves a specific LibraryResource object.

HTTP Request

GET /libraryresources/(libraryresource)

Parameters

No additional parameters are needed beyond the ID of the object being requested that appears in the URL.

Expandable Properties

Permissions

One of the following roles is required to call this method:

update

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X PUT
-d '{
    "resource_type_id": 4,
    "replacement_price": "12.50"
}' \ 
require 'httparty'
response = HTTParty.put(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.put(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)"), Method.Put);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'PUT');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource",
    "id": 6,
    "resource_type_id": 4,
    "title": "Purgatorio",
    "authors": "Dante",
    "replacement_price": 12.5,
    "lccn": null,
    "total_loans": null,
    "total_recommendations": null,
    "image_file_id": null,
    "import_id": null,
    "added_at": null,
    "added_by_id": null,
    "updated_at": "2026-10-20T00:04:13+00:00",
    "sandbox": true,
    "api_version": "2026-07-13"
}

Updates an existing LibraryResource object.

HTTP Request

PUT /libraryresources/(libraryresource)

Parameters

Name Required Data Type Description
resource_type_id No int
replacement_price No decimal
lccn No text (50)

update_image

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/update_image" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X POST
-F 'file=@/path/to/file.jpg' \ 
require 'httparty'
response = HTTParty.post(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/update_image',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.post(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/update_image',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/update_image"), Method.Post);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/update_image');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

"Example response not available."

Upload an image file to use as the resource's image. Replaces any existing image.

HTTP Request

POST /libraryresources/(libraryresource)/update_image

Parameters

This routes requires a file upload with the request. Use a form post parameter called "file".

delete

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X DELETE
require 'httparty'
response = HTTParty.delete(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.delete(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)"), Method.Delete);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource",
    "id": 7,
    "deleted": true
}

Deletes an existing LibraryResource object.

HTTP Request

DELETE /libraryresources/(libraryresource)

Parameters

No additional parameters are needed beyond the ID of the object to delete that appears in the URL.

create_field

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/create" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X POST
-d '{
    "field_id": 61,
    "value": "ocm12345678"
}' \ 
require 'httparty'
response = HTTParty.post(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/create',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
 body: {
  :field_id => 61,
  :value => 'ocm12345678'
 }.to_json
)
puts response.body
import requests
response = requests.post(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/create',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
 json={
  'field_id': 61,
  'value': 'ocm12345678'
 }
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/create"), Method.Post);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
request.AddJsonBody(new {
  field_id = 61,
  value = "ocm12345678"
});
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/create');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode([
  'field_id' => 61,
  'value' => 'ocm12345678'
]));
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource_field",
    "id": 5205870,
    "resource_id": 6,
    "field_id": 61,
    "field_name": "OCLC",
    "added_at": null,
    "value": "ocm12345678",
    "sandbox": true,
    "api_version": "2026-07-13"
}

Adds a value to one of the resource's fields.

HTTP Request

POST /libraryresources/(libraryresource)/fields/create

Parameters

Name Required Data Type Description
field_id Yes int The id of the field to add a value to. A qualified name (e.g. "populi:ISBN") or alias (e.g. "isbn") works too. See /libraryresources/fields for available fields.
value Yes string Agent-type fields (e.g. creator, publisher) also accept an object in the form {"value": "name or agent id", "type": "PERSON

update_field

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/update" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X PUT
-d '{
    "value": "9780140448968"
}' \ 
require 'httparty'
response = HTTParty.put(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/update',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
 body: {
  :value => '9780140448968'
 }.to_json
)
puts response.body
import requests
response = requests.put(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/update',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
 json={
  'value': '9780140448968'
 }
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/update"), Method.Put);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
request.AddJsonBody(new {
  value = "9780140448968"
});
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/update');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'PUT');
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode([
  'value' => '9780140448968'
]));
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource_field",
    "id": 7,
    "resource_id": 6,
    "field_id": 57,
    "field_name": "ISBN",
    "added_at": null,
    "value": "9780140448968",
    "sandbox": true,
    "api_version": "2026-07-13"
}

Updates the field attribute of an existing LibraryResource object.

HTTP Request

PUT /libraryresources/(libraryresource)/fields/(libraryresourcefield)/update

Parameters

Name Required Data Type Description
value Yes string

delete_field

Example code to call this method:

curl "https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete" \
-H "Content-Type: application/json" \ 
-H "Authorization: Bearer YOUR_POPULI_API_KEY" \ 
-X DELETE
require 'httparty'
response = HTTParty.delete(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete',
 headers: {
  'Authorization' => 'Bearer YOUR_POPULI_API_KEY'
 },
)
puts response.body
import requests
response = requests.delete(
 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete',
 headers={
  'Authorization': 'Bearer YOUR_POPULI_API_KEY'
 },
)
print(response.json())
using Newtonsoft.Json;
using RestSharp;
var client = new RestClient();
var request = new RestRequest(new Uri("https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete"), Method.Delete);
request.AddHeader("Authorization", "Bearer YOUR_POPULI_API_KEY");
var response = client.Execute(request);
var response_object = JsonConvert.DeserializeObject(response.Content);
Console.Write(response_object);
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, 'https://yourschool.populiweb.com/api2/libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete');
curl_setopt($curl, CURLOPT_HTTPHEADER, ['Authorization: Bearer YOUR_POPULI_API_KEY']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'DELETE');
$response = curl_exec($curl);
$response_decoded = json_decode($response);
var_dump($response_decoded);

Example response:

{
    "object": "library_resource_field",
    "id": 7,
    "deleted": true
}

HTTP Request

DELETE /libraryresources/(libraryresource)/fields/(libraryresourcefield)/delete

Parameters

None