Subscribe

Create a crypto payment invoice for a subscription plan.

POST /v1/billing/subscribe

Subscribe

cURL

curl --request POST \
  --url https://api.polydata.live/v1/billing/subscribe \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "plan": "<string>"
}
'

200

{
  "data.invoice_url": "<string>",
  "data.payment_id": "<string>",
  "data.amount_usd": 123,
  "data.plan": "<string>"
}

Creates a NOWPayments invoice. Returns a URL where the user can pay with any of 100+ cryptocurrencies. After confirmation, the user’s plan is upgraded automatically.

Authentication

Authorization · string · required

Bearer pd_live_xxxxx

Body

plan · string · required

Plan to subscribe to. One of: daily, monthly, unlimited.

Response

data.invoice_url · string

URL to redirect the user to NOWPayments invoice page.

data.payment_id · string

NOWPayments payment ID for tracking.

data.amount_usd · number

Price in USD.

data.plan · string

Plan being subscribed to.

Example

curl

curl -X POST https://api.polydata.live/v1/billing/subscribe \
  -H "Authorization: Bearer pd_live_xxxxx" \
  -H "Content-Type: application/json" \
  -d '{"plan": "monthly"}'

Sample response

{
  "success": true,
  "data": {
    "invoice_url": "https://nowpayments.io/payment/?iid=5422817945",
    "payment_id": "5422817945",
    "amount_usd": 59.9,
    "plan": "monthly"
  }
}

Pricing

Plan	Price	Duration
daily	$1	1 day
monthly	$59.9	30 days
unlimited	$99.9	30 days

After payment confirmation (typically 5-10 min), your plan upgrades automatically. Check status via GET /v1/billing/status.