Create a custom_field

curl --request POST \
  --url https://api.slant.app/v1/custom_fields \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "field_key": "pageport_lead_source",
  "display_name": "Lead Source",
  "entity_type": "Household",
  "field_type": "text",
  "book_id": "abc123xyz",
  "options": {
    "select_options": [
      "Option 1",
      "Option 2",
      "Option 3"
    ],
    "cross_reference_allowed_target_types": [
      "Household",
      "Contact"
    ]
  }
}
'

import requests

url = "https://api.slant.app/v1/custom_fields"

payload = {
    "field_key": "pageport_lead_source",
    "display_name": "Lead Source",
    "entity_type": "Household",
    "field_type": "text",
    "book_id": "abc123xyz",
    "options": {
        "select_options": ["Option 1", "Option 2", "Option 3"],
        "cross_reference_allowed_target_types": ["Household", "Contact"]
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    field_key: 'pageport_lead_source',
    display_name: 'Lead Source',
    entity_type: 'Household',
    field_type: 'text',
    book_id: 'abc123xyz',
    options: {
      select_options: ['Option 1', 'Option 2', 'Option 3'],
      cross_reference_allowed_target_types: ['Household', 'Contact']
    }
  })
};

fetch('https://api.slant.app/v1/custom_fields', 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://api.slant.app/v1/custom_fields",
  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([
    'field_key' => 'pageport_lead_source',
    'display_name' => 'Lead Source',
    'entity_type' => 'Household',
    'field_type' => 'text',
    'book_id' => 'abc123xyz',
    'options' => [
        'select_options' => [
                'Option 1',
                'Option 2',
                'Option 3'
        ],
        'cross_reference_allowed_target_types' => [
                'Household',
                'Contact'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://api.slant.app/v1/custom_fields"

	payload := strings.NewReader("{\n  \"field_key\": \"pageport_lead_source\",\n  \"display_name\": \"Lead Source\",\n  \"entity_type\": \"Household\",\n  \"field_type\": \"text\",\n  \"book_id\": \"abc123xyz\",\n  \"options\": {\n    \"select_options\": [\n      \"Option 1\",\n      \"Option 2\",\n      \"Option 3\"\n    ],\n    \"cross_reference_allowed_target_types\": [\n      \"Household\",\n      \"Contact\"\n    ]\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.slant.app/v1/custom_fields")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"field_key\": \"pageport_lead_source\",\n  \"display_name\": \"Lead Source\",\n  \"entity_type\": \"Household\",\n  \"field_type\": \"text\",\n  \"book_id\": \"abc123xyz\",\n  \"options\": {\n    \"select_options\": [\n      \"Option 1\",\n      \"Option 2\",\n      \"Option 3\"\n    ],\n    \"cross_reference_allowed_target_types\": [\n      \"Household\",\n      \"Contact\"\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.slant.app/v1/custom_fields")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"field_key\": \"pageport_lead_source\",\n  \"display_name\": \"Lead Source\",\n  \"entity_type\": \"Household\",\n  \"field_type\": \"text\",\n  \"book_id\": \"abc123xyz\",\n  \"options\": {\n    \"select_options\": [\n      \"Option 1\",\n      \"Option 2\",\n      \"Option 3\"\n    ],\n    \"cross_reference_allowed_target_types\": [\n      \"Household\",\n      \"Contact\"\n    ]\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "id": "abc123xyz",
  "field_key": "pageport_lead_source",
  "display_name": "Lead Source",
  "entity_type": "Household",
  "field_type": "text",
  "options": {
    "select_options": [
      "Option 1",
      "Option 2"
    ],
    "cross_reference_allowed_target_types": [
      "Household",
      "Contact"
    ]
  }
}

{
  "error": "invalid_json",
  "detail": "<string>"
}

{
  "detail": "<string>"
}

{
  "detail": "<string>"
}