Pay as you go is priced above subscriptions on purpose. It buys flexibility, not volume: from $0.035 per credit at the smallest pack down to $0.005 at the largest, no commitment, no monthly charge, and it covers contacts and verification only. Campaigns need a plan.
The moment to switch is arithmetic, not opinion. Starter costs $99 a month for 5,000 credits, about $0.020 each, and adds 100,000 campaign emails. The 5,000-credit pack costs $69. So once you are sending campaigns at all, or spending more than a few thousand credits a month, a plan is the better deal.
- Data or verification only, irregular volume - pay as you go is the right tool. No commitment, buy a pack when a run needs it.
- Sending campaigns - a plan, because campaign emails only come with plans and the smallest one already includes 100,000 a month.
- Steady volume - a plan is cheaper per contact and gets cheaper as you go up the tiers.
Switching is additive rather than a migration:
- Open Profile → Billing and choose a plan.
- The platform unlocks and plan credits are granted.
- Your existing wallet balance stays exactly where it is.
Wallet credits are not lost or converted. They sit behind the plan credits in the spend order and are used once the monthly allowance is gone, which makes them a useful buffer for a heavy month.