curl --request POST \
  --url https://client-api.dev.finhost.io/v2/transfer \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "42",
  "from": {
    "type": "individual",
    "accountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  },
  "payment": {
    "method": "sepa",
    "recipient": {
      "iban": "GB33BUKB20201555555555",
      "bicSwift": "BUKBGB22",
      "reference": "separeference",
      "bankName": "Central Bank",
      "type": "individual",
      "name": "John",
      "surname": "Doe",
      "bankCountry": "GB",
      "country": "GB",
      "street": "Oxford Street",
      "houseNumber": "42",
      "refinement": "Residence",
      "city": "London",
      "region": "London",
      "postCode": "00000",
      "email": "mail@example.com"
    }
  }
}
'

import requests

url = "https://client-api.dev.finhost.io/v2/transfer"

payload = {
    "amount": "42",
    "from": {
        "type": "individual",
        "accountId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    },
    "payment": {
        "method": "sepa",
        "recipient": {
            "iban": "GB33BUKB20201555555555",
            "bicSwift": "BUKBGB22",
            "reference": "separeference",
            "bankName": "Central Bank",
            "type": "individual",
            "name": "John",
            "surname": "Doe",
            "bankCountry": "GB",
            "country": "GB",
            "street": "Oxford Street",
            "houseNumber": "42",
            "refinement": "Residence",
            "city": "London",
            "region": "London",
            "postCode": "00000",
            "email": "mail@example.com"
        }
    }
}
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({
    amount: '42',
    from: {type: 'individual', accountId: '3c90c3cc-0d44-4b50-8888-8dd25736052a'},
    payment: {
      method: 'sepa',
      recipient: {
        iban: 'GB33BUKB20201555555555',
        bicSwift: 'BUKBGB22',
        reference: 'separeference',
        bankName: 'Central Bank',
        type: 'individual',
        name: 'John',
        surname: 'Doe',
        bankCountry: 'GB',
        country: 'GB',
        street: 'Oxford Street',
        houseNumber: '42',
        refinement: 'Residence',
        city: 'London',
        region: 'London',
        postCode: '00000',
        email: 'mail@example.com'
      }
    }
  })
};

fetch('https://client-api.dev.finhost.io/v2/transfer', 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://client-api.dev.finhost.io/v2/transfer",
  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([
    'amount' => '42',
    'from' => [
        'type' => 'individual',
        'accountId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ],
    'payment' => [
        'method' => 'sepa',
        'recipient' => [
                'iban' => 'GB33BUKB20201555555555',
                'bicSwift' => 'BUKBGB22',
                'reference' => 'separeference',
                'bankName' => 'Central Bank',
                'type' => 'individual',
                'name' => 'John',
                'surname' => 'Doe',
                'bankCountry' => 'GB',
                'country' => 'GB',
                'street' => 'Oxford Street',
                'houseNumber' => '42',
                'refinement' => 'Residence',
                'city' => 'London',
                'region' => 'London',
                'postCode' => '00000',
                'email' => 'mail@example.com'
        ]
    ]
  ]),
  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://client-api.dev.finhost.io/v2/transfer"

	payload := strings.NewReader("{\n  \"amount\": \"42\",\n  \"from\": {\n    \"type\": \"individual\",\n    \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"payment\": {\n    \"method\": \"sepa\",\n    \"recipient\": {\n      \"iban\": \"GB33BUKB20201555555555\",\n      \"bicSwift\": \"BUKBGB22\",\n      \"reference\": \"separeference\",\n      \"bankName\": \"Central Bank\",\n      \"type\": \"individual\",\n      \"name\": \"John\",\n      \"surname\": \"Doe\",\n      \"bankCountry\": \"GB\",\n      \"country\": \"GB\",\n      \"street\": \"Oxford Street\",\n      \"houseNumber\": \"42\",\n      \"refinement\": \"Residence\",\n      \"city\": \"London\",\n      \"region\": \"London\",\n      \"postCode\": \"00000\",\n      \"email\": \"mail@example.com\"\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://client-api.dev.finhost.io/v2/transfer")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": \"42\",\n  \"from\": {\n    \"type\": \"individual\",\n    \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"payment\": {\n    \"method\": \"sepa\",\n    \"recipient\": {\n      \"iban\": \"GB33BUKB20201555555555\",\n      \"bicSwift\": \"BUKBGB22\",\n      \"reference\": \"separeference\",\n      \"bankName\": \"Central Bank\",\n      \"type\": \"individual\",\n      \"name\": \"John\",\n      \"surname\": \"Doe\",\n      \"bankCountry\": \"GB\",\n      \"country\": \"GB\",\n      \"street\": \"Oxford Street\",\n      \"houseNumber\": \"42\",\n      \"refinement\": \"Residence\",\n      \"city\": \"London\",\n      \"region\": \"London\",\n      \"postCode\": \"00000\",\n      \"email\": \"mail@example.com\"\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://client-api.dev.finhost.io/v2/transfer")

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  \"amount\": \"42\",\n  \"from\": {\n    \"type\": \"individual\",\n    \"accountId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  },\n  \"payment\": {\n    \"method\": \"sepa\",\n    \"recipient\": {\n      \"iban\": \"GB33BUKB20201555555555\",\n      \"bicSwift\": \"BUKBGB22\",\n      \"reference\": \"separeference\",\n      \"bankName\": \"Central Bank\",\n      \"type\": \"individual\",\n      \"name\": \"John\",\n      \"surname\": \"Doe\",\n      \"bankCountry\": \"GB\",\n      \"country\": \"GB\",\n      \"street\": \"Oxford Street\",\n      \"houseNumber\": \"42\",\n      \"refinement\": \"Residence\",\n      \"city\": \"London\",\n      \"region\": \"London\",\n      \"postCode\": \"00000\",\n      \"email\": \"mail@example.com\"\n    }\n  }\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "operationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}

{
  "message": "Amount is too big for this payment method"
}

{
  "message": "Sender has no contract"
}

{
  "message": "Sender not found"
}