Affiliate program

Recommend Castrook. Earn 30% for 12 months.

Help developers and agencies ship social publishing. Earn a share of each referred customer’s eligible subscription payments.

  • 30% commissionof eligible subscription payments
  • 12 monthsfrom each customer’s first payment
  • 60-day attributionlast eligible partner click
  • Monthly payoutsin USD, after a 30-day hold

What one referral earns

30% of the plan a referred customer pays for, every month they stay subscribed, for up to 12 months.

  • Starter

    $2.70/mo

    on a $9 monthly plan

  • Growth

    $5.70/mo

    on a $19 monthly plan

  • Scale

    $11.70/mo

    on a $39 monthly plan

Monthly plans, before any taxes or withdrawal fees you pay as a partner, during each referral’s eligible period. Refunds reduce commission. These are examples, not an earnings forecast.

Once annual billing is available: $27 (Starter), $57 (Growth), $117 (Scale) on the first annual payment. Annual renewals don’t earn commission.

How it works

Every application is reviewed by a person. Joining is free and needs no purchase.

  1. Apply with your audience and channel.

    Tell us where you publish and how you plan to recommend Castrook.

  2. Share a working example and your link.

    Show a real integration, built from the quickstart or the demo, alongside your partner link and a clear disclosure.

  3. Track conversions and receive eligible commissions.

    Follow sign-ups, conversions and earnings in the partner portal. Commissions become payable after the 30-day hold.

Useful assets

Everything here exists today. Link to it, demo it, or build on it.

Disclosure example

I earn a commission if you subscribe through this link.

Terms at a glance

The affiliate program terms (version 2026-09-27) are the full agreement.

  • 30% of eligible subscription payments for 12 months from the customer’s first paid activation, after discounts and excluding tax, refunds, chargebacks and credits.
  • Attribution goes to the last eligible partner click in the 60 days before the first payment.
  • Commissions are held for 30 days, then paid monthly in USD by the 15th once your balance reaches $25. Smaller balances roll forward.
  • Payout methods and supported countries are shown in the partner portal.
  • Refunds and chargebacks reverse the related commission.
  • No self-referrals, bidding on Castrook in search ads, coupon sites or spam.
  • Free to join: no signup fee and no purchase required.
  • Disclose your relationship clearly wherever you share your link.

Referral tracking is described in our privacy policy. Questions? Email support@castrook.com.