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PaymentsTop pick

Toss Payments

Korea's developer-friendly PG — modern API, no setup or monthly fee.

Visit Toss PaymentsVerify on pricing page
Free tier

No monthly fee; ~2.7–3.3% per card transaction (KRW)

  • Korea-only by default — settles in KRW, requires a Korean business registration (사업자등록).
  • Best DX among domestic PGs; supports billing/recurring out of the box.
  • Per-merchant rate is negotiated — verify your bracket on the pricing page.
Alternatives

Drop-in alternatives

Solve a similar problem if you outgrow Toss Payments's free tier — or just want a second option in your back pocket.

Top pick

Stripe

The default payments API — no monthly minimum, pay per transaction.

No monthly fee; 2.9% + $0.30 per successful card charge (US)

Payments2026-05

PortOne (포트원)

Korean PG aggregator — one SDK across Toss, Kakao, Naver, NICE, KG Inicis.

Free SDK / dashboard; you only pay the underlying PG's transaction fee

Payments2026-05

Last verified 2026-05 · free-tier numbers shift — confirm at the pricing page before relying on a quota for a launch decision.