Choosing the right SMS gateway provider is an important step in ensuring that a company gets what they require from an SMS service. The market for SMS aggregation is still a sms service relatively young one. There are a wide range of differences in options, quality of service, and pricing. Shopping around and finding sms service references that can attest to an aggregator's abilities are imperative to a company getting the most out of their foray into the fertile ground of SMS. A decent SMS gateway provider will be able to offer more than one way to access their gateway. The most common methods include web interfaces, allowing an extremely user-friendly way of sending bulk SMS, and API, which is a set of commands that can be used in computer programming to give existing sms service software the ability to use an SMS gateway. The more ways an aggregator gives its clients to access their services, the more flexibility clients have in implementing their SMS strategies. When performing pricing comparisons, companies should look not only at entry level pricing, but also at what kind of discounts are available if their needs demand scaling up later. Some sms service providers operate on a credit-based system. Depending on the destination of a text message, more than one credit may be sms service required. Other providers charge per message. This cost is usually more expensive than a single credit, but without the requirements of paying more for certain places.