curl --request POST \
  --url https://api.example.com/v1/access_grants \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "grantee": "<string>",
  "subjects": {
    "shipments": [
      "<string>"
    ]
  },
  "fields": [
    "<string>"
  ],
  "purpose": "<string>",
  "expires_at": 123
}
'

import requests

url = "https://api.example.com/v1/access_grants"

payload = {
    "grantee": "<string>",
    "subjects": { "shipments": ["<string>"] },
    "fields": ["<string>"],
    "purpose": "<string>",
    "expires_at": 123
}
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({
    grantee: '<string>',
    subjects: {shipments: ['<string>']},
    fields: ['<string>'],
    purpose: '<string>',
    expires_at: 123
  })
};

fetch('https://api.example.com/v1/access_grants', 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.example.com/v1/access_grants",
  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([
    'grantee' => '<string>',
    'subjects' => [
        'shipments' => [
                '<string>'
        ]
    ],
    'fields' => [
        '<string>'
    ],
    'purpose' => '<string>',
    'expires_at' => 123
  ]),
  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.example.com/v1/access_grants"

	payload := strings.NewReader("{\n  \"grantee\": \"<string>\",\n  \"subjects\": {\n    \"shipments\": [\n      \"<string>\"\n    ]\n  },\n  \"fields\": [\n    \"<string>\"\n  ],\n  \"purpose\": \"<string>\",\n  \"expires_at\": 123\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.example.com/v1/access_grants")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"grantee\": \"<string>\",\n  \"subjects\": {\n    \"shipments\": [\n      \"<string>\"\n    ]\n  },\n  \"fields\": [\n    \"<string>\"\n  ],\n  \"purpose\": \"<string>\",\n  \"expires_at\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/access_grants")

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  \"grantee\": \"<string>\",\n  \"subjects\": {\n    \"shipments\": [\n      \"<string>\"\n    ]\n  },\n  \"fields\": [\n    \"<string>\"\n  ],\n  \"purpose\": \"<string>\",\n  \"expires_at\": 123\n}"

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

{
  "id": "grt_1Q2w3E4r",
  "object": "access_grant",
  "livemode": true,
  "created": 123,
  "grantor": "<string>",
  "grantee": "<string>",
  "status": "active",
  "updated": 123,
  "subjects": {
    "shipments": [
      "<string>"
    ]
  },
  "fields": [
    "<string>"
  ],
  "purpose": "<string>",
  "expires_at": 123,
  "user_metadata": {},
  "carrier_metadata": {},
  "system_metadata": {
    "source": "api",
    "created_by": {
      "type": "api_key",
      "id": "<string>"
    },
    "request_id": "<string>",
    "idempotency_key": "<string>",
    "batch": "<string>",
    "generated": true,
    "test_scenario": "<string>"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "doc_url": "<string>",
    "request_id": "<string>",
    "carrier": {
      "id": "<string>",
      "connection": "<string>",
      "code": "<string>",
      "message": "<string>"
    },
    "shipment": "<string>",
    "details": [
      {
        "code": "<string>",
        "message": "<string>",
        "param": "<string>"
      }
    ]
  }
}