SMSpubli offers an API for their bulk SMS messaging service. Using the SMS API, providers can send up to 100 SMS per second supporting over 200 countries worldwide. Using the API, requests can be sent over HTTP in order to check balances, receive and send SMS, manage all accounts, update user subscriptions, and verify the validity of a number with HRL Lookup, all directly from the API. SMSpubli is a Spain-based service.
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