Patient, hand-crafted automation — so your team gets their evenings back.
- Donor CRM
- Workflow agents
- Approval inbox
- Donation pages
- Text-to-form
- Volunteers
- Knowledge base
- Custom domains
AI agents for non-profits
AI agents that bring lapsed donors back.
Upload your donor list — from any CRM, or a spreadsheet. Tongba drafts personalized re-engagement emails, you approve, it sends. 10 minutes from setup to your first reactivated gift.
14-day free trial · works with any CRM, or none · no credit card.
Tongba
How do I reach donors who lapsed last year?
Capabilities
Everything your non-profit needs, in one place.
Eight tools' worth of work, in one assistant your team already knows how to use.
1,204 donors
Donor CRM
Full donor history, lifetime giving, lapse status, segments.
Workflow Agents
Visual canvas. Connect triggers → AI → actions. No code.
Approval Inbox
Every AI-drafted email lands in your inbox. Approve in one click.
Donation Pages
On your own domain. Bring your own Stripe — we never take a cut.
0% platform fee Your Stripe Custom domain
A live look
See what Tongba does for you.
Three jobs your fundraiser does by hand — done in minutes. Watch one run.
Tongba — Lapsed Donor Reactivation
live
Import donors Step 1 / 3
donors_final_v3.csv
1,204 rows · 38 duplicates merged
Name Last gift Status MS Maria S. $1,240 Lapsed JT James T. $480 Active PK Priya K. $2,900 Lapsed DR Dev R. $150 Lapsed AT Asha T. $620 Active
Drafting note for Maria S. AI draft
To: maria.s@example.org
Subject: We've missed you, Maria
Hi Maria — two years ago, your $1,240 gift funded 40 meals.
We've missed you. This week a family near you needs that same help.
Would you bring them back to the table with a gift today?
With gratitude, Riverside Food Bank
Personalized Cites 2023 gift Your voice
Approval inbox 3 ready
Maria S.
We've missed you, Maria
Approve
Skip
Sent today 47
18 opened 6 replied $4,200 back
Drop your donor CSV
Email, name, last gift — deduped and mapped in seconds.
Lapsed donor reactivationThank-you note drafterMonthly recurring remindersDonor CRMApproval inboxCSV import
No codeWorks with any CRM14-day free trialBYO Stripe — no cutSet up in 10 minutesBuilt for non-profitsYou approve, it sends
Why Tongba
Non-profits run on patience, community, warmth, and craft. The work doesn't scale by force. It scales by people who care, with tools that respect their time. Tongba is the assistant that gives fundraisers their evenings back.
Why teams choose Tongba
Built for the people who do the work.
Small teams, big missions. Tongba handles the busywork so you spend your time on the donors who matter.
Time you get back
0 hrs / week
The agent writes the emails and queues them. You skim and approve over coffee.
No developer needed
Point, click, done. No code, no setup calls.
Works with your CRM
Import from the tools you already use.
Your data stays yours
Never sold, shared, or trained on.
Honest pricing
$39.99 / mo to start
Every plan starts with a 14-day free trial. No setup fees · we never take a cut of donations.
Set up over coffee
~10 min to your first draft.
SOC 2 in progress GDPR ready Encrypted at rest
What they're saying.
Real words, placeholder names — these are the first crew putting it to work.
$0
brought back in a pilot week
0
emails drafted in one run
0 min
from CSV to first send
"Eight donors gave again the week we turned it on. That paid for the tool for ten years."
"I'm not a developer. Setup took less time than making coffee."
"It wrote better donor emails than I do, and I've done this for 12 years."
"We reactivated lapsed monthly givers we'd written off."
"Eight donors gave again the week we turned it on. That paid for the tool for ten years."
"I'm not a developer. Setup took less time than making coffee."
"It wrote better donor emails than I do, and I've done this for 12 years."
"We reactivated lapsed monthly givers we'd written off."
"Finally, an approval step. Nothing sends without me seeing it."
"Our board asked how we suddenly had time to fundraise again."
"The CSV import just worked with our messy export."
"Cheaper than one afternoon of a consultant, and it runs every week."
"Finally, an approval step. Nothing sends without me seeing it."
"Our board asked how we suddenly had time to fundraise again."
"The CSV import just worked with our messy export."
"Cheaper than one afternoon of a consultant, and it runs every week."
- LOGO
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+22 founding non-profits
Simple by design
A simple 3-step process.
From a messy CSV to reactivated donors, without a data team.
Tongba — Reactivation
donors.csv 1,204 rows
Maya R. last gift 14 mo ago
Dev P. last gift 19 mo ago
Asha T. last gift 11 mo ago
Drafting personal notes…
✓ 3 drafts approved & sent
Drafts ready ✓
1
Upload your donors
Drag a CSV onto the page. Done.
2
Pick a workflow
Lapsed Donor Reactivation, Thank-You Drafter, or build your own.
3
Approve. Send.
Tongba drafts; you click ✓ in 5 minutes; the good ones send.
Pricing
Honest pricing. No "contact sales."
Every plan starts with a 14-day free trial — usage-capped, no credit card. We never take a cut of your donations.
Starter
Solo fundraisers & small teams
$39.99 /month
1,000 AI credits / mo
≈ 1,000 personalized emails
- included: Up to 2,500 donor contacts
- included: Lapsed-donor reactivation + all templates
- included: Approval inbox & sending from Tongba
- included: Works with any CRM (CSV import)
- included: 1 user
Most popular
Growth
Growing development teams
$99 /month
5,000 AI credits / mo
≈ 5,000 personalized emails
- included: Everything in Starter, plus:
- included: Up to 25,000 contacts
- included: Custom domain + verified sending
- included: Donation pages (bring your own Stripe)
- included: 5 users · priority email support
Pro
Established non-profits
$299 /month
20,000 AI credits / mo
≈ 20,000 personalized emails
- included: Everything in Growth, plus:
- included: Unlimited contacts
- included: Knowledge base (RAG) + custom workflows
- included: Multiple workspaces · API access
- included: Unlimited users · priority support
Need more AI credits? Add credit packs anytime. Annual plans include 2 months free. We never take a percentage of your donations.
Where does my data live?
Do you read my donor emails?
What if Tongba shuts down?
Can I run this on my own infrastructure?
Do you support Salesforce, Bloomerang, DonorPerfect, or Bonterra?
How do I cancel?
Resources
Donor retention guides & benchmarks.
Benchmarks 
Jun 2026
Donor Retention Benchmarks 2026: the numbers every nonprofit should know
Overall retention is stuck near 32%, new-donor retention is 24%, and donor counts have fallen four years running. Here's what the data means for your year.
Retention
Jun 2026
Why Donors Lapse — and the 4-Sentence Email That Brings Them Back
Most donors don't leave angry. They drift — because no one followed up. Here's why lapse happens and the exact note that re-engages them.
Playbook
May 2026
Lapsed Donor Reactivation: a 10-Minute Playbook (with email templates)
A step-by-step playbook to win back lapsed donors this week — how to define 'lapsed,' segment, write the re-engagement email, and measure it.
Book a demo
Ready to bring your lapsed donors back? Tell us about your non-profit and we will set it up for you.
No sales call, no demo theater. We read every submission and reply within 24 hours. — The Tongba team