# Campaign Guide - SMS

- [SMS Campaigns - Basics](/campaign-guide-sms/sms-campaigns.md): Send mass SMSes with Postman! These SMSes are sent through Twilio, our SMS aggregator. We will guide you through setting up an account with Twilio, before you can begin sending SMSes on Postman.
- [Before Starting Out](/campaign-guide-sms/sms-campaigns/before-starting-out.md): What else do I need to know about Twilio/Postman, before I commit?
- [Summary of Costs](/campaign-guide-sms/sms-campaigns/summary-of-costs.md): What will I need to pay?
- [SMS Onboarding Overview](/campaign-guide-sms/onboarding-overview.md): I've decided to use Postman to send my SMS campaigns! What do I need to do now?
- [Step 1: Sender ID Registration](/campaign-guide-sms/onboarding-overview/onboarding-step-1-senderid-registration.md): Now that you've decided to use Postman for your SMS campaigns, first ensure your desired Sender ID is registered under the Full SSIR Regime.
- [Step 2: Sign up for a Twilio account](/campaign-guide-sms/onboarding-overview/onboarding-step-2-onboarding-form.md): How do I get started with Twilio?
- [Step 3: Set up your Twilio account](/campaign-guide-sms/onboarding-overview/step-3a-receive-your-account-invitation.md): You've submitted your form! What's next?
- [Step 4: Configure Your Twilio Account](/campaign-guide-sms/onboarding-overview/step-4-configure-your-twilio-account.md): Now that the administrative set-up is done, you can set up your Twilio credentials! Follow the steps here in chronological order. This is a one-time set-up.
- [What if I need to buy a phone number?](/campaign-guide-sms/onboarding-overview/step-4-configure-your-twilio-account/what-if-i-need-to-buy-a-phone-number.md): Phone number purchase is necessary if you are sending SMSes to foreign numbers. Follow the steps here to purchase a number.
- [Step 5: Send a Test Message on Twilio](/campaign-guide-sms/onboarding-overview/step-5-send-a-test-message.md): You've successfully configured your Twilio account! Now, try sending a test message to yourself, on your Twilio console.
- [Step 6: Fill in your Twilio credentials in Postman!](/campaign-guide-sms/onboarding-overview/credentials.md): Congratulations for successfully setting up your Twilio credentials! Now, input these credentials into your Postman account. This is a one-time set-up.
- [How do I send a campaign with my saved SMS credentials?](/campaign-guide-sms/onboarding-overview/credentials/use-saved-sms-credential-in-the-campaign.md): Once you've set up your credentials in Postman, you'll be able to access these credentials easily with every SMS campaign.
- [What else do I need to know about sending SMSes?](/campaign-guide-sms/sms.md): In this section, you can find answers to other questions you might have about using Postman to send SMSes.
- [More about Sender ID registration](/campaign-guide-sms/sms/more-about-senderid-registration.md): What else do I need to know?
- [Can I see the send status of my campaign?](/campaign-guide-sms/sms/sms-statistics.md): Postman provides you with delivery statistics for your campaigns.
- [How can I configure my SMS send rate?](/campaign-guide-sms/sms/sms-send-rate.md): The default send rate is 10 SMSes/second. Increasing this rate is possible - find out how.
- [Sending an SMS to a Foreign Number](/campaign-guide-sms/sms/send-sms-to-a-foreign-number.md): You would have purchased a phone number and tied it to your Twilio account. This allows you to send SMSes to non-Singapore numbers.
- [SMS Best Practices](/campaign-guide-sms/sms/sms-best-practices.md): Similar to email best practices, here are some tips to help your SMS messages get maximum reach and comply with Government circulars on mass SMS sending.
- [Useful Twilio Links](/campaign-guide-sms/sms/useful-twilio-links.md): This page provides you with commonly-needed information, based on our interactions with users, from Twilio. Read on to get information on issues like error codes, invoicing, and subaccounts.