generated: '2026-09-19'
method: generated
provider: coinrailz-com
skills:
- file: coinrailz-com-onboard-with-trial-key.md
  name: Onboard an agent with the free trial key
  description: Get a free $5 Coin Railz API key with no wallet or card, then call any metered service with it.
  api: coinrailz-com:agent-payment-api
  operations:
  - getTrialKey
  - getAuthCapabilities
  - ping
  - gasPriceOracle
- file: coinrailz-com-pay-per-call-with-x402.md
  name: Pay for a single call with x402 USDC
  description: Answer a Coin Railz HTTP 402 challenge with a signed on-chain USDC payment and retry the request.
  api: coinrailz-com:x402-services
  operations:
  - ping
  - first-call
  - tokenPrice
- file: coinrailz-com-buy-credits-by-card.md
  name: Buy prepaid credits by card (hosted checkout)
  description: Fund an agent with prepaid credits through Stripe hosted checkout and poll for the auto-provisioned
    API key.
  api: coinrailz-com:agent-payment-api
  operations:
  - createCheckoutSession
  - getCheckoutStatus
- file: coinrailz-com-park-usdc-in-yield-vault.md
  name: Park idle USDC in the yield vault
  description: Deposit idle agent USDC into the ERC-4626 vault on Base between trades and redeem it on demand, non-custodially.
  api: coinrailz-com:agent-payment-api
  operations:
  - getYieldManifest
  - getYieldRates
  - getYieldStats
  - getDepositTx
  - getYieldPosition
  - getRedeemTx
  - getYieldContract