Sandbox on Solana devnet. No real funds move here. Use sk_test_ keys and a wallet set to devnet. Get devnet SOL from the Solana faucet and devnet USDC from the Circle faucet.
SolKnife GatewayRegister app

Recurring billing

Create crypto subscription plans

A developer console for recurring billing on Solana. Enter a Gateway API key to create a plan, publish and confirm it on-chain, then open customer subscriptions against the active plan.

Developer tool. The API key you enter stays in this tab's memory and is sent only to the Gateway API. Do not use the console on a shared machine. Your production app keeps the key on its server.

Plan

Devnet USDC from the Circle faucet. It has no value.

Customer

Guide: get Telegram chat ID
  1. Open Telegram and start @solknife_sandbox_bot.
  2. Press Start or send /start from the Telegram account that should receive updates.
  3. The bot replies with the numeric chat ID of that account. Copy it.
  4. Paste the customer's chat ID here so they receive checkout and subscription updates.

Worker queue

Collection worker queue

Due subscriptions from active plans, ready for recurring collection.

Live API view

Subscription records

Subscription plans

PlanReferenceAmountStatusTokenAction
Load a Gateway API key to review subscription plans.

Customer subscriptions

CustomerStatusNext billingPlan IDWalletAction
Load a Gateway API key to review customer subscriptions.