from cognite.client.data_classes import ExtractionPipelineWrite
extpipes = [ExtractionPipelineWrite(name="extPipe1",...), ExtractionPipelineWrite(name="extPipe2",...)]
res = client.extraction_pipelines.create(extpipes)

List<ExtractionPipeline> upsertPipelinesList = List.of(ExtractionPipeline.newBuilder() 
          .setExternalId("10") 
          .setName("generated-") 
          .setDescription("Generated description") 
          .setDataSetId(dataSetId) 
          .setSource("sdk-data-generator") 
          .putMetadata("type", "sdk-data-generator") 
          .addContacts(ExtractionPipeline.Contact.newBuilder() 
               .setName("generated-") 
               .setRole("generated") 
               .build()) 
          .build()); 

client.extractionPipelines().upsert(upsertPipelinesList);

curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/extpipes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "externalId": "<string>",
      "name": "<string>",
      "dataSetId": 4503599627370495,
      "description": "<string>",
      "rawTables": [
        {
          "dbName": "<string>",
          "tableName": "<string>"
        }
      ],
      "schedule": "<string>",
      "contacts": [
        {
          "name": "<string>",
          "email": "jsmith@example.com",
          "role": "<string>",
          "sendNotification": true
        }
      ],
      "metadata": {
        "property1": "string",
        "property2": "string"
      },
      "source": "<string>",
      "documentation": "<string>",
      "notificationConfig": {
        "allowedNotSeenRangeInMinutes": 1
      },
      "createdBy": "<string>"
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    items: [
      {
        externalId: '<string>',
        name: '<string>',
        dataSetId: 4503599627370495,
        description: '<string>',
        rawTables: [{dbName: '<string>', tableName: '<string>'}],
        schedule: '<string>',
        contacts: [
          {
            name: '<string>',
            email: 'jsmith@example.com',
            role: '<string>',
            sendNotification: true
          }
        ],
        metadata: {property1: 'string', property2: 'string'},
        source: '<string>',
        documentation: '<string>',
        notificationConfig: {allowedNotSeenRangeInMinutes: 1},
        createdBy: '<string>'
      }
    ]
  })
};

fetch('https://{cluster}.cognitedata.com/api/v1/projects/{project}/extpipes', 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://{cluster}.cognitedata.com/api/v1/projects/{project}/extpipes",
  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([
    'items' => [
        [
                'externalId' => '<string>',
                'name' => '<string>',
                'dataSetId' => 4503599627370495,
                'description' => '<string>',
                'rawTables' => [
                                [
                                                                'dbName' => '<string>',
                                                                'tableName' => '<string>'
                                ]
                ],
                'schedule' => '<string>',
                'contacts' => [
                                [
                                                                'name' => '<string>',
                                                                'email' => 'jsmith@example.com',
                                                                'role' => '<string>',
                                                                'sendNotification' => true
                                ]
                ],
                'metadata' => [
                                'property1' => 'string',
                                'property2' => 'string'
                ],
                'source' => '<string>',
                'documentation' => '<string>',
                'notificationConfig' => [
                                'allowedNotSeenRangeInMinutes' => 1
                ],
                'createdBy' => '<string>'
        ]
    ]
  ]),
  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://{cluster}.cognitedata.com/api/v1/projects/{project}/extpipes"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"externalId\": \"<string>\",\n      \"name\": \"<string>\",\n      \"dataSetId\": 4503599627370495,\n      \"description\": \"<string>\",\n      \"rawTables\": [\n        {\n          \"dbName\": \"<string>\",\n          \"tableName\": \"<string>\"\n        }\n      ],\n      \"schedule\": \"<string>\",\n      \"contacts\": [\n        {\n          \"name\": \"<string>\",\n          \"email\": \"jsmith@example.com\",\n          \"role\": \"<string>\",\n          \"sendNotification\": true\n        }\n      ],\n      \"metadata\": {\n        \"property1\": \"string\",\n        \"property2\": \"string\"\n      },\n      \"source\": \"<string>\",\n      \"documentation\": \"<string>\",\n      \"notificationConfig\": {\n        \"allowedNotSeenRangeInMinutes\": 1\n      },\n      \"createdBy\": \"<string>\"\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))

}

require 'uri'
require 'net/http'

url = URI("https://{cluster}.cognitedata.com/api/v1/projects/{project}/extpipes")

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  \"items\": [\n    {\n      \"externalId\": \"<string>\",\n      \"name\": \"<string>\",\n      \"dataSetId\": 4503599627370495,\n      \"description\": \"<string>\",\n      \"rawTables\": [\n        {\n          \"dbName\": \"<string>\",\n          \"tableName\": \"<string>\"\n        }\n      ],\n      \"schedule\": \"<string>\",\n      \"contacts\": [\n        {\n          \"name\": \"<string>\",\n          \"email\": \"jsmith@example.com\",\n          \"role\": \"<string>\",\n          \"sendNotification\": true\n        }\n      ],\n      \"metadata\": {\n        \"property1\": \"string\",\n        \"property2\": \"string\"\n      },\n      \"source\": \"<string>\",\n      \"documentation\": \"<string>\",\n      \"notificationConfig\": {\n        \"allowedNotSeenRangeInMinutes\": 1\n      },\n      \"createdBy\": \"<string>\"\n    }\n  ]\n}"

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

{
  "items": [
    {
      "externalId": "<string>",
      "name": "<string>",
      "dataSetId": 4503599627370495,
      "description": "<string>",
      "rawTables": [
        {
          "dbName": "<string>",
          "tableName": "<string>"
        }
      ],
      "schedule": "<string>",
      "contacts": [
        {
          "name": "<string>",
          "email": "jsmith@example.com",
          "role": "<string>",
          "sendNotification": true
        }
      ],
      "metadata": {
        "property1": "string",
        "property2": "string"
      },
      "source": "<string>",
      "documentation": "<string>",
      "notificationConfig": {
        "allowedNotSeenRangeInMinutes": 1
      },
      "createdBy": "<string>",
      "id": 4503599627370495,
      "lastSuccess": 123,
      "lastFailure": 123,
      "lastMessage": "<string>",
      "lastSeen": 123,
      "createdTime": 1730204346000,
      "lastUpdatedTime": 1730204346000
    }
  ],
  "nextCursor": "<string>"
}

{
  "code": 123,
  "message": "<string>",
  "missing": [
    {}
  ],
  "duplicated": [
    {}
  ]
}