curl --request POST \
  --url https://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "fields": [
    {
      "key": "occupation",
      "value": "Software engineer"
    },
    {
      "key": "monthly_income_eur",
      "value": 6500,
      "label": "Monthly income"
    }
  ],
  "documents": [
    {
      "uploadId": "9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49",
      "label": "Proof of address"
    }
  ]
}
'

import requests

url = "https://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response"

payload = {
    "fields": [
        {
            "key": "occupation",
            "value": "Software engineer"
        },
        {
            "key": "monthly_income_eur",
            "value": 6500,
            "label": "Monthly income"
        }
    ],
    "documents": [
        {
            "uploadId": "9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49",
            "label": "Proof of address"
        }
    ]
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    fields: [
      {key: 'occupation', value: 'Software engineer'},
      {key: 'monthly_income_eur', value: 6500, label: 'Monthly income'}
    ],
    documents: [{uploadId: '9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49', label: 'Proof of address'}]
  })
};

fetch('https://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response', 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://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response",
  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([
    'fields' => [
        [
                'key' => 'occupation',
                'value' => 'Software engineer'
        ],
        [
                'key' => 'monthly_income_eur',
                'value' => 6500,
                'label' => 'Monthly income'
        ]
    ],
    'documents' => [
        [
                'uploadId' => '9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49',
                'label' => 'Proof of address'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <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://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response"

	payload := strings.NewReader("{\n  \"fields\": [\n    {\n      \"key\": \"occupation\",\n      \"value\": \"Software engineer\"\n    },\n    {\n      \"key\": \"monthly_income_eur\",\n      \"value\": 6500,\n      \"label\": \"Monthly income\"\n    }\n  ],\n  \"documents\": [\n    {\n      \"uploadId\": \"9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49\",\n      \"label\": \"Proof of address\"\n    }\n  ]\n}")

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

	req.Header.Add("X-API-Key", "<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://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"fields\": [\n    {\n      \"key\": \"occupation\",\n      \"value\": \"Software engineer\"\n    },\n    {\n      \"key\": \"monthly_income_eur\",\n      \"value\": 6500,\n      \"label\": \"Monthly income\"\n    }\n  ],\n  \"documents\": [\n    {\n      \"uploadId\": \"9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49\",\n      \"label\": \"Proof of address\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://core.us.api.frayme.io/cases/{caseId}/rfi/{rfiId}/response")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"fields\": [\n    {\n      \"key\": \"occupation\",\n      \"value\": \"Software engineer\"\n    },\n    {\n      \"key\": \"monthly_income_eur\",\n      \"value\": 6500,\n      \"label\": \"Monthly income\"\n    }\n  ],\n  \"documents\": [\n    {\n      \"uploadId\": \"9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49\",\n      \"label\": \"Proof of address\"\n    }\n  ]\n}"

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

{
  "rfiId": "6f1c0b6e-6a1e-4a3d-9a5e-2f7f0f9f1b21",
  "status": "answered",
  "answeredAt": "2026-09-16T09:41:07Z",
  "fieldCount": 2,
  "documentCount": 1
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "already_answered",
  "answeredBy": "apikey:key_01HABCXYZ",
  "answeredAt": "2026-09-16T09:41:07Z"
}

{
  "error": "document_not_uploaded",
  "uploadId": "9a2e4d71-0b83-4c17-8f5a-1d6e7c0b3a49",
  "message": "object not found"
}