curl --request POST \
  --url https://api.mixpeek.com/v1/namespaces/migrations/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "config": {
    "feature_extractors": [
      {
        "feature_extractor_name": "openai_text_embedding",
        "parameters": {
          "model": "text-embedding-3-large"
        },
        "version": "v3"
      }
    ],
    "migration_type": "re_extract",
    "source_namespace_id": "ns_abc123",
    "target_namespace_name": "my_namespace_v2"
  },
  "start_immediately": false
}
'

import requests

url = "https://api.mixpeek.com/v1/namespaces/migrations/"

payload = {
    "config": {
        "feature_extractors": [
            {
                "feature_extractor_name": "openai_text_embedding",
                "parameters": { "model": "text-embedding-3-large" },
                "version": "v3"
            }
        ],
        "migration_type": "re_extract",
        "source_namespace_id": "ns_abc123",
        "target_namespace_name": "my_namespace_v2"
    },
    "start_immediately": False
}
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({
    config: {
      feature_extractors: [
        {
          feature_extractor_name: 'openai_text_embedding',
          parameters: {model: 'text-embedding-3-large'},
          version: 'v3'
        }
      ],
      migration_type: 're_extract',
      source_namespace_id: 'ns_abc123',
      target_namespace_name: 'my_namespace_v2'
    },
    start_immediately: false
  })
};

fetch('https://api.mixpeek.com/v1/namespaces/migrations/', 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.mixpeek.com/v1/namespaces/migrations/",
  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([
    'config' => [
        'feature_extractors' => [
                [
                                'feature_extractor_name' => 'openai_text_embedding',
                                'parameters' => [
                                                                'model' => 'text-embedding-3-large'
                                ],
                                'version' => 'v3'
                ]
        ],
        'migration_type' => 're_extract',
        'source_namespace_id' => 'ns_abc123',
        'target_namespace_name' => 'my_namespace_v2'
    ],
    'start_immediately' => false
  ]),
  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.mixpeek.com/v1/namespaces/migrations/"

	payload := strings.NewReader("{\n  \"config\": {\n    \"feature_extractors\": [\n      {\n        \"feature_extractor_name\": \"openai_text_embedding\",\n        \"parameters\": {\n          \"model\": \"text-embedding-3-large\"\n        },\n        \"version\": \"v3\"\n      }\n    ],\n    \"migration_type\": \"re_extract\",\n    \"source_namespace_id\": \"ns_abc123\",\n    \"target_namespace_name\": \"my_namespace_v2\"\n  },\n  \"start_immediately\": false\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.mixpeek.com/v1/namespaces/migrations/")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"config\": {\n    \"feature_extractors\": [\n      {\n        \"feature_extractor_name\": \"openai_text_embedding\",\n        \"parameters\": {\n          \"model\": \"text-embedding-3-large\"\n        },\n        \"version\": \"v3\"\n      }\n    ],\n    \"migration_type\": \"re_extract\",\n    \"source_namespace_id\": \"ns_abc123\",\n    \"target_namespace_name\": \"my_namespace_v2\"\n  },\n  \"start_immediately\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mixpeek.com/v1/namespaces/migrations/")

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  \"config\": {\n    \"feature_extractors\": [\n      {\n        \"feature_extractor_name\": \"openai_text_embedding\",\n        \"parameters\": {\n          \"model\": \"text-embedding-3-large\"\n        },\n        \"version\": \"v3\"\n      }\n    ],\n    \"migration_type\": \"re_extract\",\n    \"source_namespace_id\": \"ns_abc123\",\n    \"target_namespace_name\": \"my_namespace_v2\"\n  },\n  \"start_immediately\": false\n}"

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

{
  "created_at": "2025-12-03T10:00:00Z",
  "message": "Migration created successfully. Use POST /migrations/{id}/start to begin execution.",
  "migration_id": "mig_abc123xyz789",
  "status": "draft",
  "validation_result": {
    "errors": [],
    "estimated_duration_seconds": 1800,
    "estimated_resources": {
      "cluster": 1,
      "collection": 5,
      "taxonomy": 2
    },
    "valid": true,
    "warnings": []
  }
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}

{
  "error": {
    "details": {
      "id": "ns_123",
      "resource": "namespace"
    },
    "message": "Namespace not found",
    "type": "NotFoundError"
  },
  "status": 404,
  "success": false
}