How it works

Apply and get approved — you receive a unique referral link and code.
Share your link. When someone clicks, we remember it for 90 days.
If they buy a paid plan, you earn 20% of the payment — and of their renewals for the first 12 months.
Commissions clear after a 14-day hold (to cover refunds), then become payable.
Request a payout once you reach the minimum (about $50).

How to promote effectively

You don't need to be a marketer — the best results come from genuinely recommending it to people who'll benefit:

Teachers/tutors: share in teacher Facebook/LINE groups — mention the SymPy-verified, always-correct worksheets that save grading time.
Parents: share with parent groups looking for extra practice for their kids.
Content: a short review/reel/blog showing a worksheet being generated, with your link in the description.
Schools/clubs: recommend it to a whole department of fellow teachers.

Sample copy (copy-paste)

“If you teach math/science and hate making worksheets, try this — unlimited worksheets with SymPy-verified answer keys, EN+TH. It’s saved me hours. Link: [your link]”

Rules you must follow (important)

Always disclose it’s an affiliate link (e.g. “#ad” or “I earn a commission from this link”) — required by advertising law (FTC).
No spam, no false claims, no self-referrals (buying through your own link doesn't count).
Don't run paid ads bidding on the MathPrepAI brand name.
One affiliate account per person. Signing up again under another email to get around a rule ends the partnership.
Never post your discount code to coupon sites, deal forums, code-sharing groups or browser extensions. The code is for your own audience — when a code leaks, people who were already buying use it, and we pay both the discount and your commission for a customer we already had. Codes found there are disabled.

Frequently asked questions

How much do I earn?

20% of what your referred users actually pay, including renewals, for the first 12 months of that subscription. An annual plan covers 12 months in one payment, so it uses that window up at once — and its commission is paid to you in twelve equal monthly instalments across the year it covers, rather than one lump on day one. Same total either way; a refund stops any instalments not yet created.

How is a referral tracked to me?

Two ways: (1) a cookie when someone clicks your link (lasts 90 days), and (2) your affiliate discount code at checkout — the second still works even if a browser blocks cookies.

When and how do I get paid?

Once commission clears the 14-day hold and you reach the minimum, you request a payout. Thai affiliates are paid via PromptPay/bank transfer; international affiliates via Wise. Payouts are made by hand, not automatically, and the first payout run starts once our accountant has signed off how withholding tax is handled — we will tell you when a payout is on its way.

What about tax?

Commission is §40(2) income, so we are required to compute withholding on every payment — on the progressive §48 scale, not a flat rate. At ordinary commission levels that computation comes out at zero, so you receive the full amount; it is zero because we ran the numbers, not because the duty is absent. Above roughly ฿310,000 of commission in one tax year it stops being zero, and from there we withhold, remit, and issue you the certificate. Either way you declare this income yourself — download the earnings summary on the payout page for your records.

Who can join?

Individuals only (not companies), country by country — check your country's status on the apply page. You also have to be old enough to be bound by the agreement and to hold a payout account: 20+ with no extra conditions, 18–19 with a parent or guardian's consent, and under 18 cannot join.

What if a customer refunds?

Commission from a refunded order is reversed — that is why there is a 14-day hold before anything becomes payable.

Do you check for cheating?

Yes — and a person reviews it, rather than a machine blocking it. We look for referrals arriving from the partner's own connection, and for sign-ups clustering unnaturally fast, then someone looks at the case. A school where everyone shares one internet connection, or a post that lands well in a big teacher group, looks identical to abuse from the outside, which is exactly why a human decides. Genuine promotion has nothing to worry about; buying through your own link earns no commission either way.

Apply to become an affiliate → · Read the full agreement