curl --request POST \
  --url http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "expectedSchemaVersion": 1,
  "fieldIds": [
    "01K6J7B8000000000000000000"
  ],
  "referencedTableId": "01K6J7B8000000000000000000",
  "referencedRuleId": "01K6J7B8000000000000000000",
  "expectedReferencedSchemaVersion": 1
}
'

import requests

url = "http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys"

payload = {
    "expectedSchemaVersion": 1,
    "fieldIds": ["01K6J7B8000000000000000000"],
    "referencedTableId": "01K6J7B8000000000000000000",
    "referencedRuleId": "01K6J7B8000000000000000000",
    "expectedReferencedSchemaVersion": 1
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    expectedSchemaVersion: 1,
    fieldIds: ['01K6J7B8000000000000000000'],
    referencedTableId: '01K6J7B8000000000000000000',
    referencedRuleId: '01K6J7B8000000000000000000',
    expectedReferencedSchemaVersion: 1
  })
};

fetch('http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "4310",
  CURLOPT_URL => "http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys",
  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([
    'expectedSchemaVersion' => 1,
    'fieldIds' => [
        '01K6J7B8000000000000000000'
    ],
    'referencedTableId' => '01K6J7B8000000000000000000',
    'referencedRuleId' => '01K6J7B8000000000000000000',
    'expectedReferencedSchemaVersion' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-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 := "http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys"

	payload := strings.NewReader("{\n  \"expectedSchemaVersion\": 1,\n  \"fieldIds\": [\n    \"01K6J7B8000000000000000000\"\n  ],\n  \"referencedTableId\": \"01K6J7B8000000000000000000\",\n  \"referencedRuleId\": \"01K6J7B8000000000000000000\",\n  \"expectedReferencedSchemaVersion\": 1\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	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("http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"expectedSchemaVersion\": 1,\n  \"fieldIds\": [\n    \"01K6J7B8000000000000000000\"\n  ],\n  \"referencedTableId\": \"01K6J7B8000000000000000000\",\n  \"referencedRuleId\": \"01K6J7B8000000000000000000\",\n  \"expectedReferencedSchemaVersion\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:4310/v1/orgs/{orgId}/databases/{databaseId}/tables/{tableId}/foreign-keys")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"expectedSchemaVersion\": 1,\n  \"fieldIds\": [\n    \"01K6J7B8000000000000000000\"\n  ],\n  \"referencedTableId\": \"01K6J7B8000000000000000000\",\n  \"referencedRuleId\": \"01K6J7B8000000000000000000\",\n  \"expectedReferencedSchemaVersion\": 1\n}"

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

{
  "id": "<string>",
  "tableId": "<string>",
  "fieldIds": [
    "<string>"
  ],
  "referencedTableId": "<string>",
  "referencedTableName": "<string>",
  "referencedRuleId": "<string>",
  "referencedFieldIds": [
    "<string>"
  ],
  "referencedFieldNames": [
    "<string>"
  ],
  "state": "active"
}

{
  "id": "<string>",
  "tableId": "<string>",
  "fieldIds": [
    "<string>"
  ],
  "referencedTableId": "<string>",
  "referencedTableName": "<string>",
  "referencedRuleId": "<string>",
  "referencedFieldIds": [
    "<string>"
  ],
  "referencedFieldNames": [
    "<string>"
  ],
  "state": "active"
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": "<unknown>"
  }
}