Fourthwall's free plan charges 3% on every digital sale. Their Pro plan removes it ΓÇö for $19/month. Payhook charges 0% with no monthly fee, no merch dependency, and a full API for developers who want to build rather than click.
Fourthwall's free plan takes 3% of every digital product sale on top of Stripe's processing fee. Here's what that costs at volume:
| Monthly revenue | Fourthwall (Free) | Payhook | Monthly saving |
|---|---|---|---|
| $1,000/mo | ~$30 (3% Free plan) | $0 platform fee | $30 |
| $5,000/mo | ~$150 (3% Free plan) | $0 platform fee | $150 |
| $10,000/mo | ~$300 (3% Free plan) | $0 platform fee | $300 |
Upgrading to Fourthwall Pro ($19/month) removes the 3% fee ΓÇö but you're now paying $228/year before you've made a single sale. Payhook costs nothing until your buyer pays.
Fourthwall has no public API. Everything is dashboard-only. If you want to automate product creation, generate checkout links from code, or build an agent that manages your catalog ΓÇö you can't.
Payhook exposes the full product lifecycle via REST:
POST /api/v1/products
Authorization: Bearer sk_live_...
{
"name": "Notion Productivity Pack",
"price_cents": 2900,
"currency": "usd",
"category": "templates"
}
-> {
"id": "prod_xyz789",
"checkout_url": "https://getpayhook.com/checkout/prod_xyz789"
}0% platform fee. No monthly plan. Full API. Founding seller spots are still open ΓÇö first 50 sellers lock in permanently.