get https://sandbox.asaas.com/api/v3/subscriptions
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Unlike retrieving a specific subscription, this method returns a paginated list of all subscriptions for the provided filters.
List subscriptions for a specific customer: GET https://api.asaas.com/v3/subscriptions?customer={customer_id}
Filter by payment method: GET https://api.asaas.com/v3/subscriptions?billingType=CREDIT_CARD