curl --request POST \
  --url https://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "schema_version": "1.0",
  "session_id": "<string>",
  "base_revision": 2,
  "idempotency_key": "<string>",
  "operations": [
    {
      "object_id": "<string>",
      "object_revision": 2,
      "object": {}
    }
  ],
  "rationale": "<string>",
  "evidence": [
    {
      "id": "<string>",
      "object_id": "<string>",
      "object_revision": 2,
      "source_time": "2023-11-07T05:31:56Z",
      "field": "<string>"
    }
  ],
  "provenance": {
    "owner": {
      "id": "<string>"
    },
    "producer": {
      "id": "<string>"
    },
    "version": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "derivation": [
      "<string>"
    ]
  },
  "id": "<string>",
  "decision_binding": {
    "decision_snapshot_ref": {
      "id": "<string>",
      "revision": 2
    },
    "decision_snapshot_content_hash": "<string>",
    "disposition_ref": {
      "id": "<string>",
      "revision": 2
    },
    "context_snapshot_ref": {
      "id": "<string>",
      "revision": 2
    },
    "policy_version": "<string>",
    "horizon": "intraday",
    "window": 62
  },
  "expires_at": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals"

payload = {
    "schema_version": "1.0",
    "session_id": "<string>",
    "base_revision": 2,
    "idempotency_key": "<string>",
    "operations": [
        {
            "object_id": "<string>",
            "object_revision": 2,
            "object": {}
        }
    ],
    "rationale": "<string>",
    "evidence": [
        {
            "id": "<string>",
            "object_id": "<string>",
            "object_revision": 2,
            "source_time": "2023-11-07T05:31:56Z",
            "field": "<string>"
        }
    ],
    "provenance": {
        "owner": { "id": "<string>" },
        "producer": { "id": "<string>" },
        "version": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "derivation": ["<string>"]
    },
    "id": "<string>",
    "decision_binding": {
        "decision_snapshot_ref": {
            "id": "<string>",
            "revision": 2
        },
        "decision_snapshot_content_hash": "<string>",
        "disposition_ref": {
            "id": "<string>",
            "revision": 2
        },
        "context_snapshot_ref": {
            "id": "<string>",
            "revision": 2
        },
        "policy_version": "<string>",
        "horizon": "intraday",
        "window": 62
    },
    "expires_at": "2023-11-07T05:31:56Z"
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Idempotency-Key': '<idempotency-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    schema_version: '1.0',
    session_id: '<string>',
    base_revision: 2,
    idempotency_key: '<string>',
    operations: [{object_id: '<string>', object_revision: 2, object: {}}],
    rationale: '<string>',
    evidence: [
      {
        id: '<string>',
        object_id: '<string>',
        object_revision: 2,
        source_time: '2023-11-07T05:31:56Z',
        field: '<string>'
      }
    ],
    provenance: {
      owner: {id: '<string>'},
      producer: {id: '<string>'},
      version: '<string>',
      created_at: '2023-11-07T05:31:56Z',
      derivation: ['<string>']
    },
    id: '<string>',
    decision_binding: {
      decision_snapshot_ref: {id: '<string>', revision: 2},
      decision_snapshot_content_hash: '<string>',
      disposition_ref: {id: '<string>', revision: 2},
      context_snapshot_ref: {id: '<string>', revision: 2},
      policy_version: '<string>',
      horizon: 'intraday',
      window: 62
    },
    expires_at: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals', 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.example.com/api/graph/v1/chart-sessions/{session_id}/proposals",
  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([
    'schema_version' => '1.0',
    'session_id' => '<string>',
    'base_revision' => 2,
    'idempotency_key' => '<string>',
    'operations' => [
        [
                'object_id' => '<string>',
                'object_revision' => 2,
                'object' => [
                                
                ]
        ]
    ],
    'rationale' => '<string>',
    'evidence' => [
        [
                'id' => '<string>',
                'object_id' => '<string>',
                'object_revision' => 2,
                'source_time' => '2023-11-07T05:31:56Z',
                'field' => '<string>'
        ]
    ],
    'provenance' => [
        'owner' => [
                'id' => '<string>'
        ],
        'producer' => [
                'id' => '<string>'
        ],
        'version' => '<string>',
        'created_at' => '2023-11-07T05:31:56Z',
        'derivation' => [
                '<string>'
        ]
    ],
    'id' => '<string>',
    'decision_binding' => [
        'decision_snapshot_ref' => [
                'id' => '<string>',
                'revision' => 2
        ],
        'decision_snapshot_content_hash' => '<string>',
        'disposition_ref' => [
                'id' => '<string>',
                'revision' => 2
        ],
        'context_snapshot_ref' => [
                'id' => '<string>',
                'revision' => 2
        ],
        'policy_version' => '<string>',
        'horizon' => 'intraday',
        'window' => 62
    ],
    'expires_at' => '2023-11-07T05:31:56Z'
  ]),
  CURLOPT_HTTPHEADER => [
    "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 := "https://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals"

	payload := strings.NewReader("{\n  \"schema_version\": \"1.0\",\n  \"session_id\": \"<string>\",\n  \"base_revision\": 2,\n  \"idempotency_key\": \"<string>\",\n  \"operations\": [\n    {\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"object\": {}\n    }\n  ],\n  \"rationale\": \"<string>\",\n  \"evidence\": [\n    {\n      \"id\": \"<string>\",\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"source_time\": \"2023-11-07T05:31:56Z\",\n      \"field\": \"<string>\"\n    }\n  ],\n  \"provenance\": {\n    \"owner\": {\n      \"id\": \"<string>\"\n    },\n    \"producer\": {\n      \"id\": \"<string>\"\n    },\n    \"version\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"derivation\": [\n      \"<string>\"\n    ]\n  },\n  \"id\": \"<string>\",\n  \"decision_binding\": {\n    \"decision_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"decision_snapshot_content_hash\": \"<string>\",\n    \"disposition_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"context_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"policy_version\": \"<string>\",\n    \"horizon\": \"intraday\",\n    \"window\": 62\n  },\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-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://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"schema_version\": \"1.0\",\n  \"session_id\": \"<string>\",\n  \"base_revision\": 2,\n  \"idempotency_key\": \"<string>\",\n  \"operations\": [\n    {\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"object\": {}\n    }\n  ],\n  \"rationale\": \"<string>\",\n  \"evidence\": [\n    {\n      \"id\": \"<string>\",\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"source_time\": \"2023-11-07T05:31:56Z\",\n      \"field\": \"<string>\"\n    }\n  ],\n  \"provenance\": {\n    \"owner\": {\n      \"id\": \"<string>\"\n    },\n    \"producer\": {\n      \"id\": \"<string>\"\n    },\n    \"version\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"derivation\": [\n      \"<string>\"\n    ]\n  },\n  \"id\": \"<string>\",\n  \"decision_binding\": {\n    \"decision_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"decision_snapshot_content_hash\": \"<string>\",\n    \"disposition_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"context_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"policy_version\": \"<string>\",\n    \"horizon\": \"intraday\",\n    \"window\": 62\n  },\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/graph/v1/chart-sessions/{session_id}/proposals")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"schema_version\": \"1.0\",\n  \"session_id\": \"<string>\",\n  \"base_revision\": 2,\n  \"idempotency_key\": \"<string>\",\n  \"operations\": [\n    {\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"object\": {}\n    }\n  ],\n  \"rationale\": \"<string>\",\n  \"evidence\": [\n    {\n      \"id\": \"<string>\",\n      \"object_id\": \"<string>\",\n      \"object_revision\": 2,\n      \"source_time\": \"2023-11-07T05:31:56Z\",\n      \"field\": \"<string>\"\n    }\n  ],\n  \"provenance\": {\n    \"owner\": {\n      \"id\": \"<string>\"\n    },\n    \"producer\": {\n      \"id\": \"<string>\"\n    },\n    \"version\": \"<string>\",\n    \"created_at\": \"2023-11-07T05:31:56Z\",\n    \"derivation\": [\n      \"<string>\"\n    ]\n  },\n  \"id\": \"<string>\",\n  \"decision_binding\": {\n    \"decision_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"decision_snapshot_content_hash\": \"<string>\",\n    \"disposition_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"context_snapshot_ref\": {\n      \"id\": \"<string>\",\n      \"revision\": 2\n    },\n    \"policy_version\": \"<string>\",\n    \"horizon\": \"intraday\",\n    \"window\": 62\n  },\n  \"expires_at\": \"2023-11-07T05:31:56Z\"\n}"

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

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}