import requests

url = "https://{FUSION HOST}/api/index-pipelines"

payload = {
    "id": "my-index-pipeline",
    "stages": [
        {
            "id": "field_mapping",
            "type": "field-mapping",
            "reservedFieldsMappingAllowed": False
        },
        {
            "id": "solr_dynamic_field_mapping",
            "type": "solr-dynamic-field-name-mapping",
            "advancedTextFieldsIndexing": True
        },
        {
            "id": "solr_indexing",
            "type": "solr-index",
            "fieldsList": False
        }
    ]
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

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

print(response.text)

HttpResponse<String> response = Unirest.post("https://{FUSION HOST}/api/index-pipelines")
  .header("Authorization", "Basic <encoded-value>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": \"my-index-pipeline\",\n  \"stages\": [\n    {\n      \"id\": \"field_mapping\",\n      \"type\": \"field-mapping\",\n      \"reservedFieldsMappingAllowed\": false\n    },\n    {\n      \"id\": \"solr_dynamic_field_mapping\",\n      \"type\": \"solr-dynamic-field-name-mapping\",\n      \"advancedTextFieldsIndexing\": true\n    },\n    {\n      \"id\": \"solr_indexing\",\n      \"type\": \"solr-index\",\n      \"fieldsList\": false\n    }\n  ]\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    id: 'my-index-pipeline',
    stages: [
      {
        id: 'field_mapping',
        type: 'field-mapping',
        reservedFieldsMappingAllowed: false
      },
      {
        id: 'solr_dynamic_field_mapping',
        type: 'solr-dynamic-field-name-mapping',
        advancedTextFieldsIndexing: true
      },
      {id: 'solr_indexing', type: 'solr-index', fieldsList: false}
    ]
  })
};

fetch('https://{FUSION HOST}/api/index-pipelines', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

require 'uri'
require 'net/http'

url = URI("https://{FUSION HOST}/api/index-pipelines")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Basic <encoded-value>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": \"my-index-pipeline\",\n  \"stages\": [\n    {\n      \"id\": \"field_mapping\",\n      \"type\": \"field-mapping\",\n      \"reservedFieldsMappingAllowed\": false\n    },\n    {\n      \"id\": \"solr_dynamic_field_mapping\",\n      \"type\": \"solr-dynamic-field-name-mapping\",\n      \"advancedTextFieldsIndexing\": true\n    },\n    {\n      \"id\": \"solr_indexing\",\n      \"type\": \"solr-index\",\n      \"fieldsList\": false\n    }\n  ]\n}"

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{FUSION HOST}/api/index-pipelines"

	payload := strings.NewReader("{\n  \"id\": \"my-index-pipeline\",\n  \"stages\": [\n    {\n      \"id\": \"field_mapping\",\n      \"type\": \"field-mapping\",\n      \"reservedFieldsMappingAllowed\": false\n    },\n    {\n      \"id\": \"solr_dynamic_field_mapping\",\n      \"type\": \"solr-dynamic-field-name-mapping\",\n      \"advancedTextFieldsIndexing\": true\n    },\n    {\n      \"id\": \"solr_indexing\",\n      \"type\": \"solr-index\",\n      \"fieldsList\": false\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "Basic <encoded-value>")
	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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{FUSION HOST}/api/index-pipelines",
  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([
    'id' => 'my-index-pipeline',
    'stages' => [
        [
                'id' => 'field_mapping',
                'type' => 'field-mapping',
                'reservedFieldsMappingAllowed' => false
        ],
        [
                'id' => 'solr_dynamic_field_mapping',
                'type' => 'solr-dynamic-field-name-mapping',
                'advancedTextFieldsIndexing' => true
        ],
        [
                'id' => 'solr_indexing',
                'type' => 'solr-index',
                'fieldsList' => false
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

curl --request POST \
  --url https://{FUSION HOST}/api/index-pipelines \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": "my-index-pipeline",
  "stages": [
    {
      "id": "field_mapping",
      "type": "field-mapping",
      "reservedFieldsMappingAllowed": false
    },
    {
      "id": "solr_dynamic_field_mapping",
      "type": "solr-dynamic-field-name-mapping",
      "advancedTextFieldsIndexing": true
    },
    {
      "id": "solr_indexing",
      "type": "solr-index",
      "fieldsList": false
    }
  ]
}
'

{
  "id": "my-index-pipeline",
  "stages": [
    {
      "id": "field_mapping",
      "translationMappings": [],
      "retentionMappings": [],
      "updateMappings": [],
      "unmappedRule": {
        "keep": true,
        "delete": false,
        "fieldToMoveValuesTo": "",
        "fieldToCopyValuesTo": "",
        "valueToAddToUnmappedFields": "",
        "valueToSetOnUnmappedFields": ""
      },
      "reservedFieldsMappingAllowed": false,
      "type": "field-mapping",
      "skip": false,
      "secretSourceStageId": "field_mapping"
    },
    {
      "id": "solr_dynamic_field_mapping",
      "duplicateSingleValuedFields": false,
      "fieldsToExclude": [],
      "advancedTextFieldsIndexing": true,
      "maxTextLengthForAdvancedIndexing": 100,
      "type": "solr-dynamic-field-name-mapping",
      "skip": false,
      "secretSourceStageId": "solr_dynamic_field_mapping"
    },
    {
      "id": "solr_indexing",
      "enforceSchema": true,
      "fieldsList": false,
      "dateFormats": [],
      "params": [],
      "bufferDocsForSolr": true,
      "allowBlacklistedRequestParameters": false,
      "type": "solr-index",
      "skip": false,
      "secretSourceStageId": "solr_indexing"
    }
  ],
  "properties": {
    "secretSourcePipelineId": "my-index-pipeline"
  }
}