curl --request GET \
  --url https://astreus.ai/api/v1/companies/{id}/observations \
  --header 'X-API-KEY: <api-key>'

import requests

url = "https://astreus.ai/api/v1/companies/{id}/observations"

headers = {"X-API-KEY": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://astreus.ai/api/v1/companies/{id}/observations', 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://astreus.ai/api/v1/companies/{id}/observations",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-KEY: <api-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"
	"net/http"
	"io"
)

func main() {

	url := "https://astreus.ai/api/v1/companies/{id}/observations"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://astreus.ai/api/v1/companies/{id}/observations")
  .header("X-API-KEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://astreus.ai/api/v1/companies/{id}/observations")

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

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

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

{
  "cik": [
    "0001045810"
  ],
  "observations": [
    {
      "id": 162316,
      "eventFamily": "mna",
      "eventType": "acquisition_agreement",
      "subject": "Hugging Face, Inc.",
      "action": "acquire",
      "eventDate": "2026-09-02",
      "eventDateKind": "agreement",
      "filingDate": "2026-09-03",
      "summary": "NVIDIA Corporation entered into a definitive agreement to acquire Hugging Face, Inc.",
      "headline": "NVIDIA agrees to acquire Hugging Face for $11.9B",
      "supportingQuote": "On September 2, 2026, NVIDIA Corporation (“NVIDIA”) entered into a definitive agreement to acquire Hugging Face, Inc. (“Hugging Face”).",
      "metadata": {
        "deal_value": {
          "parsed": {
            "amount": 11900000000,
            "currency": "USD"
          },
          "fact_index": 1,
          "value_text": "$11.9 billion"
        },
        "counterparty": {
          "parsed": null,
          "fact_index": 0,
          "value_text": "Hugging Face, Inc."
        },
        "expected_close_text": {
          "parsed": null,
          "fact_index": 2,
          "value_text": "first half of 2027"
        }
      },
      "facts": [
        {
          "label": "counterparty",
          "quote_end": 207,
          "value_text": "Hugging Face, Inc.",
          "quote_start": 72,
          "supporting_quote": "On September 2, 2026, NVIDIA Corporation (“NVIDIA”) entered into a definitive agreement to acquire Hugging Face, Inc. (“Hugging Face”)."
        },
        {
          "label": "deal_value",
          "quote_end": 481,
          "value_text": "$11.9 billion",
          "quote_start": 341,
          "supporting_quote": "The transaction includes an approximately $11.9 billion purchase price payable to Hugging Face stockholders, subject to certain adjustments,"
        }
      ],
      "accessionNumber": "0001045810-26-000078",
      "itemCode": "8.01",
      "itemName": "Other Events",
      "trust": "verified"
    },
    {
      "id": 129496,
      "eventFamily": "earnings",
      "eventType": "earnings_release",
      "subject": null,
      "action": "announced_earnings",
      "eventDate": "2026-08-26",
      "eventDateKind": "announcement",
      "filingDate": "2026-08-26",
      "summary": "Earnings release announced",
      "headline": "NVIDIA reports results for quarter ended July 26, 2026",
      "supportingQuote": "On August 26, 2026, NVIDIA Corporation, or the Company, issued a press release announcing its results for the quarter ended July 26, 2026. The press release is attached as Exhibit 99.1 and is incorpor…",
      "metadata": null,
      "facts": null,
      "accessionNumber": "0001045810-26-000073",
      "itemCode": "2.02",
      "itemName": "Results of Operations and Financial Condition",
      "trust": "verified"
    }
  ],
  "total": 249,
  "offset": 0,
  "nextOffset": 2,
  "limit": 2,
  "hasMore": true
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}

{
  "error": "<string>",
  "code": "unknown_parameter",
  "param": "<string>",
  "allowed": [
    "<string>"
  ]
}