Async completion

GET

completions

Async completion

curl --request GET \
  --url https://render.joinmassive.com/ai/completions \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://render.joinmassive.com/ai/completions', 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://render.joinmassive.com/ai/completions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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://render.joinmassive.com/ai/completions"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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://render.joinmassive.com/ai/completions")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "model": "chatgpt",
  "query": "best basketball shoes for 2026",
  "html": "<!DOCTYPE html><html lang=\"en-US\" ...",
  "prompt": "<h4 class=\"sr-only select-none\">You said: ...",
  "completion": "<h4 class=\"sr-only select-none\">ChatGPT said: ...",
  "sources": "<section aria-label=\"Sources\" ...",
  "ads": "<div class=\"border-token-border-default mt-2 border-t py-4 text-sm\" ...",
  "sse": "{\"type\": \"conversation_detail_metadata\" ...",
  "fanouts": [
    "best basketball shoes 2026",
    "top rated basketball shoes 2026 reviews",
    "best performance basketball shoes 2026",
    "best basketball shoes for guards 2026",
    "best basketball shoes for wide feet 2026",
    "best outdoor basketball shoes 2026",
    "most popular basketball shoes 2026"
  ],
  "device": null,
  "country": null,
  "subdivision": null,
  "city": null,
  "language": null,
  "display": null
}

"Authorization header must be provided"

"Credit balance is 0; top up at https://dashboard.joinmassive.com/plans"

"Valid API token must be provided"

"Character counts must be no more than 255"

"Unknown error occurred"

Authorizations

Authorization

string

header

required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Query Parameters

string<uuid>

required

The identifier returned by the AI endpoint of the queued conversation to retrieve.

Example:

"1851dab8-4619-409f-893f-47dd3a180bc3"

Response

The AI completion or status.

Option 1
Option 2

model

enum<string>

required

The AI model that generated the completion.

Available options:

chatgpt,

gemini,

perplexity

Example:

"chatgpt"

query

string

required

The user prompt that the completion was generated for.

Example:

"best basketball shoes for 2026"

html

string

required

The rendered HTML of the entire conversation.

Example:

"<!DOCTYPE html><html lang=\"en-US\" ..."

prompt

string

required

The rendered HTML of just the prompt portion of the conversation.

Example:

"<h4 class=\"sr-only select-none\">You said: ..."

completion

string

required

The rendered HTML of just the completion portion of the conversation.

Example:

"<h4 class=\"sr-only select-none\">ChatGPT said: ..."

sources

string

required

The rendered HTML of just the sources portion of the conversation.

Example:

"<section aria-label=\"Sources\" ..."

ads

string

required

The rendered HTML of just the ads portion of the conversation.

Example:

"<div class=\"border-token-border-default mt-2 border-t py-4 text-sm\" ..."

sse

string

required

[ChatGPT only] The server-sent events JSON that was used to populate the conversation HTML.

Example:

"{\"type\": \"conversation_detail_metadata\" ..."

fanouts

string[]

required

[ChatGPT only] The fanout queries that the model searched to generate the completion; only some models expose these queries.

Example:

[
  "best basketball shoes 2026",
  "top rated basketball shoes 2026 reviews",
  "best performance basketball shoes 2026",
  "best basketball shoes for guards 2026",
  "best basketball shoes for wide feet 2026",
  "best outdoor basketball shoes 2026",
  "most popular basketball shoes 2026"
]

device

string

The name of the targeted emulated device.

Example:

null

country

string

The ISO code of the targeted country.

Example:

null

subdivision

string

The partial ISO code of the targeted subdivision in the country.

Example:

null

city

string

The common name of the targeted city in the country.

Example:

null

language

string

[Planned] The common name or ISO code of the targeted language.

Example:

null

display

string

[Planned] The common name or ISO code of the targeted display language.

Example:

null

DevicesRetrieve supported device names.

Async completion

curl --request GET \
  --url https://render.joinmassive.com/ai/completions \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://render.joinmassive.com/ai/completions', 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://render.joinmassive.com/ai/completions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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://render.joinmassive.com/ai/completions"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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://render.joinmassive.com/ai/completions")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "model": "chatgpt",
  "query": "best basketball shoes for 2026",
  "html": "<!DOCTYPE html><html lang=\"en-US\" ...",
  "prompt": "<h4 class=\"sr-only select-none\">You said: ...",
  "completion": "<h4 class=\"sr-only select-none\">ChatGPT said: ...",
  "sources": "<section aria-label=\"Sources\" ...",
  "ads": "<div class=\"border-token-border-default mt-2 border-t py-4 text-sm\" ...",
  "sse": "{\"type\": \"conversation_detail_metadata\" ...",
  "fanouts": [
    "best basketball shoes 2026",
    "top rated basketball shoes 2026 reviews",
    "best performance basketball shoes 2026",
    "best basketball shoes for guards 2026",
    "best basketball shoes for wide feet 2026",
    "best outdoor basketball shoes 2026",
    "most popular basketball shoes 2026"
  ],
  "device": null,
  "country": null,
  "subdivision": null,
  "city": null,
  "language": null,
  "display": null
}

"Authorization header must be provided"

"Credit balance is 0; top up at https://dashboard.joinmassive.com/plans"

"Valid API token must be provided"

"Character counts must be no more than 255"

"Unknown error occurred"

Get started

Endpoints

Configuration

API Management

API Reference

Async completion

Authorizations

Query Parameters

Response