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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
ZEN_ENVNoEnvironment: sandbox (default) or production.sandbox
ZEN_MOCKNoSet to '1' or 'true' to enable deterministic offline responses without a real account.false
ZEN_API_KEYNoTerminal API Key sent in Authorization without a Bearer prefix. Required outside mock mode.
ZEN_BASE_URLNoAPI base URL override; takes priority over ZEN_ENV.
ZEN_HASH_ALGNoHash algorithm: sha224, sha256 (default), sha384, or sha512.sha256
ZEN_IPN_SECRETNoIPN secret used only by verify_webhook_signature.
ZEN_PAYWALL_SECRETNoCheckout/paywall secret used to sign request bodies. Required for write operations.

Instructions

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Capabilities

Features and capabilities supported by this server

Protocol revision2025-11-25

CapabilityDetails
tools
{
  "listChanged": true
}
resources
{
  "listChanged": true
}

Tools

Functions exposed to the LLM to take actions

NameDescription
list_payment_methodsA

Read-only: list payment methods available to the configured ZEN terminal.

get_transactionA

Read-only: retrieve a transaction by exactly one ZEN ID or merchant transaction ID.

list_payment_linksB

Read-only: list hosted ZEN payment links.

get_payment_linkA

Read-only: retrieve a hosted ZEN payment link by ID.

get_payoutA

Read-only: retrieve a ZEN payout by its ZEN ID.

download_reportB

Read-only: request a transaction or settlement report download from ZEN.

list_supported_currenciesA

Read-only: list currencies confirmed in the public ZEN documentation.

create_payment_linkC

Write operation: create a hosted ZEN checkout link and QR code for a customer to pay.

refund_transactionA

Destructive write: return all or part of a payment to the customer. Confirm the transaction and amount before use.

capture_transactionA

Destructive write: capture an authorized transaction, causing funds to be collected. Confirm before use.

cancel_transactionB

Destructive write: cancel a ZEN transaction. This may prevent or reverse payment processing; confirm before use.

create_payoutA

Highest-risk destructive write: send money outward through ZEN. Verify recipient, channel, currency, and amount before use.

create_customerC

Write operation: create a customer record in ZEN for future payment flows; this stores personal data.

verify_webhook_signatureA

Read-only: verify a ZEN IPN webhook signature using the configured IPN secret.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription
payment-methodsSnapshot of payment methods available to the configured ZEN terminal.
currenciesCurrencies confirmed in the public ZEN documentation.

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