Start Validation

Trigger validation after S3 upload

POST /api/validate_stream_start/

Start Validation

cURL

curl --request POST \
  --url https://api.example.com/api/validate_stream_start/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "job_id": "<string>",
  "document_category": "<string>",
  "document_metadata": {}
}
'

import requests

url = "https://api.example.com/api/validate_stream_start/"

payload = {
    "job_id": "<string>",
    "document_category": "<string>",
    "document_metadata": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({job_id: '<string>', document_category: '<string>', document_metadata: {}})
};

fetch('https://api.example.com/api/validate_stream_start/', 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/validate_stream_start/",
  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([
    'job_id' => '<string>',
    'document_category' => '<string>',
    'document_metadata' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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.example.com/api/validate_stream_start/"

	payload := strings.NewReader("{\n  \"job_id\": \"<string>\",\n  \"document_category\": \"<string>\",\n  \"document_metadata\": {}\n}")

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

	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/validate_stream_start/")
  .header("Content-Type", "application/json")
  .body("{\n  \"job_id\": \"<string>\",\n  \"document_category\": \"<string>\",\n  \"document_metadata\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/validate_stream_start/")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"job_id\": \"<string>\",\n  \"document_category\": \"<string>\",\n  \"document_metadata\": {}\n}"

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

202 Accepted

{
  "job_id": "abc123def456",
  "status": "accepted",
  "message": "Validation request queued for processing",
  "timestamp": "2026-01-08T10:30:00Z",
  "document_size": 1048576,
  "next_steps": {
    "poll_results": "POST /api/validate_stream_result/ with {\"job_id\": \"abc123def456\"}"
  }
}

Trigger validation after uploading a document via presigned URL.

Request Body

job_id · string · required

Job ID from the presigned URL response

document_category · string

Override document category from presigned URL request

document_metadata · object

Override document metadata from presigned URL request

Response

job_id · string

Unique identifier for the validation job

status · string

Job status: accepted

message · string

Status message

timestamp · string

ISO 8601 timestamp

document_size · integer

Size of the uploaded document in bytes

next_steps · object

Instructions for retrieving results

202 Accepted

{
  "job_id": "abc123def456",
  "status": "accepted",
  "message": "Validation request queued for processing",
  "timestamp": "2026-01-08T10:30:00Z",
  "document_size": 1048576,
  "next_steps": {
    "poll_results": "POST /api/validate_stream_result/ with {\"job_id\": \"abc123def456\"}"
  }
}

Error Responses

Status	Description
400	Missing job_id or document_category/metadata
404	Document not found in S3
409	Job already started or completed

Example

cURL

curl -X POST "https://{api-url}/api/validate_stream_start/" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "job_id": "abc123def456"
  }'

import requests

API_KEY = "YOUR_API_KEY"
API_BASE = "https://{api-url}"

response = requests.post(
    f"{API_BASE}/api/validate_stream_start/",
    headers={
        "x-api-key": API_KEY,
        "Content-Type": "application/json"
    },
    json={
        "job_id": "abc123def456"
    }
)

print(response.json())

const axios = require('axios');

const API_KEY = 'YOUR_API_KEY';
const API_BASE = 'https://{api-url}';

const response = await axios.post(
  `${API_BASE}/api/validate_stream_start/`,
  {
    job_id: 'abc123def456'
  },
  {
    headers: {
      'x-api-key': API_KEY,
      'Content-Type': 'application/json'
    }
  }
);

console.log(response.data);