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Use this endpoint to create a new invoice under a merchant account. You must specify the invoice type, which controls how the invoice can be used for payment collection. The paymentMethodID field determines which payment method (e.g., a specific cryptocurrency token) is accepted.
​
merchantID
string
required
The UUID of the merchant account to create the invoice under.

​
Request body

​
amount
string
required
The invoice amount as a decimal string (e.g., "100.00").
​
type
string
required
The invoice type. Must be one of:
  • onetime — Single-use invoice; expires after one payment.
  • reusable — Can be paid multiple times.
  • collect — Used for collecting funds from multiple payers.
  • withdraw — Used to initiate a withdrawal.
​
description
string
A human-readable description for the invoice, such as an order reference (e.g., "Order #1234").
​
paymentMethodID
number
required
The integer ID of the payment method (token) to accept for this invoice.

​
Response

​
id
string
required
The UUID of the newly created invoice.
curl --request POST \
  --url https://api.iterapay.com/merchants/b0fcc813-a7ce-4bbc-932f-dbef6f59ca7f/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "amount": "100.00",
    "type": "onetime",
    "description": "Order #1234",
    "paymentMethodID": 1
  }'

{
  "id": "b0fcc813-a7ce-4bbc-932f-dbef6f59ca7f"
}