Using bulk SMS marketing can be an effective way to send out survey or feedback requests to improve your charity’s services. Here are some tips to help you get started:

1. Build a targeted list: Create a list of phone numbers belonging to individuals who have interacted with your charity’s services, such as volunteers, donors, and beneficiaries.
2. Explain the purpose: Start your message by explaining the purpose of the survey or feedback request. Let your audience know why their input is valuable and how it will be used to improve your charity’s services.
3. Use clear and concise messaging: Keep your messages short and to the point. Use language that is easy to understand and avoid jargon or technical terms.
4. Use a personalized tone: Use a personalized tone and language that resonates with your audience. Address them by name and thank them for their past support.
5. Provide clear instructions: Provide clear instructions on how to complete the survey or provide feedback. Include any relevant links or attachments to make the process as easy as possible.
6. Timing is key: Send your messages at a time when your audience is most likely to be receptive. Consider sending reminders to those who have not responded after a certain amount of time.
7. Use a reliable SMS service provider: Choose a reliable SMS service provider to ensure that your messages are delivered promptly and efficiently.
8. Follow up: Once you have received feedback or survey responses, make sure to follow up with your audience. Let them know how their input has been used to improve your charity’s services and show your appreciation for their support.
   By following these tips, you can use bulk SMS marketing to send out survey or feedback requests to improve your charity’s services. Remember to show your appreciation to your audience and keep them informed about the impact of their support.