Upgrade to Pro
curl --request POST \
--url https://app.eventgraph.ai/api/v1/checkout \
--header 'X-API-Key: <api-key>'import requests
url = "https://app.eventgraph.ai/api/v1/checkout"
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
fetch('https://app.eventgraph.ai/api/v1/checkout', 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://app.eventgraph.ai/api/v1/checkout",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
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://app.eventgraph.ai/api/v1/checkout"
req, _ := http.NewRequest("POST", 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.post("https://app.eventgraph.ai/api/v1/checkout")
.header("X-API-Key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://app.eventgraph.ai/api/v1/checkout")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": {
"checkout_url": "<string>",
"session_id": "<string>"
},
"meta": {
"message": "<string>"
}
}Account
Upgrade to Pro
Create a Stripe Checkout session to upgrade to the Pro tier ($49/mo). Returns a URL to redirect the user to Stripe’s hosted checkout page. Requires a valid API key on the Free tier.
POST
/
api
/
v1
/
checkout
Upgrade to Pro
curl --request POST \
--url https://app.eventgraph.ai/api/v1/checkout \
--header 'X-API-Key: <api-key>'import requests
url = "https://app.eventgraph.ai/api/v1/checkout"
headers = {"X-API-Key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'X-API-Key': '<api-key>'}};
fetch('https://app.eventgraph.ai/api/v1/checkout', 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://app.eventgraph.ai/api/v1/checkout",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
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://app.eventgraph.ai/api/v1/checkout"
req, _ := http.NewRequest("POST", 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.post("https://app.eventgraph.ai/api/v1/checkout")
.header("X-API-Key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://app.eventgraph.ai/api/v1/checkout")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": {
"checkout_url": "<string>",
"session_id": "<string>"
},
"meta": {
"message": "<string>"
}
}Create a Stripe Checkout session to upgrade your API key to the Pro tier ($49/mo).
Upgrade to Pro — $49/mo
Prefer a UI? Click here to go to the pricing page and upgrade with one click — no API key needed upfront.
How it works
- Call this endpoint with your free-tier API key
- You’ll receive a
checkout_url— open it in a browser - Complete payment on Stripe’s secure checkout page
- Your API key is automatically upgraded to Pro within seconds
What you get with Pro
| Feature | Free | Pro ($49/mo) |
|---|---|---|
| Markets, Events, Search | ✅ | ✅ |
| Arbitrage Scanner | ❌ | ✅ |
| Cross-Platform Compare | ❌ | ✅ |
| Usage Analytics | ❌ | ✅ |
| Daily limit | 1,000 | 50,000 |
| Monthly limit | 10,000 | 500,000 |
| Rate limit | 30/min | 300/min |
Example
curl -X POST "https://app.eventgraph.ai/api/v1/checkout" \
-H "X-API-Key: eg_live_your_key_here"
{
"data": {
"checkout_url": "https://checkout.stripe.com/c/pay/cs_live_...",
"session_id": "cs_live_..."
},
"meta": {
"message": "Redirect to checkout_url to complete payment."
}
}
After successful payment, all API keys associated with your email are automatically upgraded to Pro. No manual steps required.
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