curl --request POST \
  --url https://api.circle.com/v1/facilitator/x402/seller-accounts/claim \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Facilitator-Seller-Proof: <api-key>' \
  --data '
{
  "entityId": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
}
'

import requests

url = "https://api.circle.com/v1/facilitator/x402/seller-accounts/claim"

payload = { "entityId": "3fa85f64-5717-4562-b3fc-2c963f66afa6" }
headers = {
    "Authorization": "Bearer <token>",
    "Facilitator-Seller-Proof": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'Facilitator-Seller-Proof': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({entityId: '3fa85f64-5717-4562-b3fc-2c963f66afa6'})
};

fetch('https://api.circle.com/v1/facilitator/x402/seller-accounts/claim', 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.circle.com/v1/facilitator/x402/seller-accounts/claim",
  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([
    'entityId' => '3fa85f64-5717-4562-b3fc-2c963f66afa6'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Facilitator-Seller-Proof: <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://api.circle.com/v1/facilitator/x402/seller-accounts/claim"

	payload := strings.NewReader("{\n  \"entityId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Facilitator-Seller-Proof", "<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://api.circle.com/v1/facilitator/x402/seller-accounts/claim")
  .header("Authorization", "Bearer <token>")
  .header("Facilitator-Seller-Proof", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"entityId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.circle.com/v1/facilitator/x402/seller-accounts/claim")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Facilitator-Seller-Proof"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"entityId\": \"3fa85f64-5717-4562-b3fc-2c963f66afa6\"\n}"

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

{
  "status": "claimed",
  "payTo": "0x7c3eA945Fc4253255D8260fC18C2deE3D8c5DD3a",
  "entityId": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}

{
  "code": 403,
  "message": "Registration required to continue settling on this address",
  "errors": [
    {
      "reason": "registration_required"
    }
  ]
}