Xquik subscription checkout & plan activation

POST

curl --request POST \
  --url https://xquik.com/api/v1/subscribe \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "tier": "<string>"
}
'

import requests

url = "https://xquik.com/api/v1/subscribe"

payload = { "tier": "<string>" }
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({tier: '<string>'})
};

fetch('https://xquik.com/api/v1/subscribe', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://xquik.com/api/v1/subscribe"

	payload := strings.NewReader("{\n  \"tier\": \"<string>\"\n}")

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

	req.Header.Add("x-api-key", "<api-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))

}

Free - does not consume credits

Returns a checkout URL for new subscribers or a billing portal URL for existing subscribers.

curl -X POST https://xquik.com/api/v1/subscribe \
  -H "x-api-key: xq_YOUR_KEY_HERE" | jq

const response = await fetch("https://xquik.com/api/v1/subscribe", {
  method: "POST",
  headers: {
    "x-api-key": "xq_YOUR_KEY_HERE",
  },
});
const data = await response.json();
// Redirect user to data.url

import requests

response = requests.post(
    "https://xquik.com/api/v1/subscribe",
    headers={"x-api-key": "xq_YOUR_KEY_HERE"},
)
data = response.json()
# Redirect user to data["url"]

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
)

func main() {
    req, err := http.NewRequest("POST", "https://xquik.com/api/v1/subscribe", nil)
    if err != nil {
        panic(err)
    }
    req.Header.Set("x-api-key", "xq_YOUR_KEY_HERE")

    resp, err := http.DefaultClient.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    var data map[string]interface{}
    if err := json.NewDecoder(resp.Body).Decode(&data); err != nil {
        panic(err)
    }
    fmt.Println(data)
}

Headers

string

required

Your API key. Session cookie authentication is also supported. Generate a key from the dashboard.

Body

string

Subscription tier to pre-select. One of: starter, pro, business. If omitted, the user chooses on the checkout page.

Response

200 OK
401 Unauthenticated
429 Rate Limited

string

Checkout URL (new subscribers) or billing portal URL (existing subscribers). Redirect the user to this URL.

string

Human-readable message describing the action taken.

string

One of: already_subscribed, checkout_created, payment_issue.

{
  "url": "https://xquik.com/billing/checkout/session",
  "message": "Complete checkout at the URL below to start your subscription.",
  "status": "checkout_created"
}

{ "error": "unauthenticated", "message": "Missing or invalid API key" }

Missing or invalid API key.

{ "error": "rate_limit_exceeded", "message": "Too many requests. Try again later.", "retryAfter": 60 }

Too many requests. Wait for the Retry-After header before retrying.

Related: Get Account to check current subscription status and usage.

Last modified on July 31, 2026

Create API keyCreate an API key for tweet, follower, profile, monitor, webhook, export, and X account requests. Copy the secret once and store it safely.

Xquik subscription checkout & plan activation

curl --request POST \
  --url https://xquik.com/api/v1/subscribe \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "tier": "<string>"
}
'

import requests

url = "https://xquik.com/api/v1/subscribe"

payload = { "tier": "<string>" }
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({tier: '<string>'})
};

fetch('https://xquik.com/api/v1/subscribe', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://xquik.com/api/v1/subscribe"

	payload := strings.NewReader("{\n  \"tier\": \"<string>\"\n}")

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

	req.Header.Add("x-api-key", "<api-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))

}

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Xquik subscription checkout & plan activation

Headers

Body

Response

​Headers

​Body

​Response

Headers

Body

Response