How to write donor appeal letters and emails with AI

Give the AI only true facts, a real quote you have permission to use, and one specific ask, then forbid invented stories. You get a year-end appeal or donor email that is honest, specific and easy to check.

Reviewed by AICourseHubPro · Last updated

Who this is for

  • Fundraisers and development coordinators
  • Small nonprofit teams where one person writes all donor communications
  • Volunteers who help with appeals and thank-you notes

What you need before you start

  • Your voice guide or a short description of how your organization sounds
  • True figures from your own records
  • A real story or quote, with permission and a changed name if needed
  • What a specific gift pays for

Worked example: Write a 200-word year-end appeal from true facts

The input

[PASTE YOUR VOICE GUIDE]
Context: We run a youth mentoring program. This year 85 young people had a mentor, and 62 finished the program. One mentee, with permission and a changed name, 'Sam', says: "I never thought I could finish school." A gift of $50 pays for one month of a mentor match.
Task: Write a 200-word year-end appeal letter.
Format: Greeting, one story paragraph, what donations make possible, one clear ask, thank you.
Limits: Use only the facts and quote given. Do not invent stories, statistics or outcomes. No pity language.

The output

Dear friend,

This year, 85 young people in our mentoring program had a mentor beside them. 62 of them finished the program.

One of them, Sam (a changed name, shared with permission), put it in his own words: "I never thought I could finish school." Those words are why this work matters to us. Every young person we meet deserves someone who believes they can.

Your gift makes that belief practical. $50 pays for one month of a mentor match, which means one young person gets steady, trusted support for a whole month.

Will you give $50 today to fund one month of a mentor match?

Thank you for standing with the young people in our program, and for everything you make possible.

With gratitude,
[NAME AND TITLE]

What to check or change by hand

  • Check 85, 62 and the $50 figure against your records
  • Confirm you have permission to use the story, and that the name is changed if needed
  • Make sure there is one clear ask and no invented outcome (the quote says what Sam felt, not what happened)
  • Add your signature and read the letter as a donor would

Free template

Donor appeal prompt and checklist (Word) (DOCX), free with your email address.

Cautions

  • Use only true, permitted material. Invented stories and exaggerated results damage trust and can break fundraising rules.
  • Get permission before using anyone's story, and change the name if needed.
  • Do not paste donor names, addresses or giving history into an AI tool unless your organization has approved it for that data.

Frequently asked questions

Can AI write the story for my appeal?

No. Give it a real story or quote that you have permission to use. If you let AI invent a story, you risk misleading donors and breaking fundraising rules.

How long should a donor appeal be?

The example asks for about 200 words with one story, what a gift does and one clear ask. Change the number in the prompt to fit a letter, an email or a social post.

How do I keep the appeal sounding like my organization?

Paste your voice guide at the top of the prompt. The AI then writes in your tone instead of generic fundraising language.

All guides · All courses