generated: '2026-07-24' method: derived status: candidate source: openapi/helcim-api.json note: Helcim publishes no official hosted MCP server. This is a candidate tool list derived one-to-one from the Helcim API v2 OpenAPI operations; each tool inherits its backing operation parameters/requestBody as its inputSchema. server: name: helcim transport: http tools: - name: connectionTest description: Tests connectivity to the Helcim API source_operation: openapi/helcim-api.json#connectionTest - name: purchase description: Process a Purchase Transaction source_operation: openapi/helcim-api.json#purchase - name: preauth description: Process a Preauth Transaction source_operation: openapi/helcim-api.json#preauth - name: capture description: Process a Capture Transaction source_operation: openapi/helcim-api.json#capture - name: verify description: Process a Verify Transaction source_operation: openapi/helcim-api.json#verify - name: refund description: Process a Refund Transaction source_operation: openapi/helcim-api.json#refund - name: reverse description: Process a Reverse Transaction source_operation: openapi/helcim-api.json#reverse - name: withdraw description: Process a Withdraw Transaction source_operation: openapi/helcim-api.json#withdraw - name: get_card_batches description: Get Card Batches source_operation: openapi/helcim-api.json#get-card-batches - name: get_card_batch description: Get Card Batch source_operation: openapi/helcim-api.json#get-card-batch - name: settle_card_batch description: Settles an Open Card Batch source_operation: openapi/helcim-api.json#settle-card-batch - name: get_card_transactions description: Collects up to 1000 Card Transactions source_operation: openapi/helcim-api.json#get-card-transactions - name: get_card_transaction description: Get Card Transaction by id source_operation: openapi/helcim-api.json#get-card-transaction - name: get_customers description: Get customers source_operation: openapi/helcim-api.json#get-customers - name: create_customer description: Create customer source_operation: openapi/helcim-api.json#create-customer - name: get_customer description: Get customer source_operation: openapi/helcim-api.json#get-customer - name: update_customer description: Update customer source_operation: openapi/helcim-api.json#update-customer - name: get_customer_cards description: Get customer cards source_operation: openapi/helcim-api.json#get-customer-cards - name: get_customer_card description: Get customer card source_operation: openapi/helcim-api.json#get-customer-card - name: delete_customer_card description: Delete customer card source_operation: openapi/helcim-api.json#delete-customer-card - name: set_customer_card_default description: Set customer card as default source_operation: openapi/helcim-api.json#set-customer-card-default - name: get_pads description: Get all PADS for a customer. source_operation: openapi/helcim-api.json#get-pads - name: get_customer_bank_accounts description: Get customer bank accounts. source_operation: openapi/helcim-api.json#get-customer-bank-accounts - name: create_bank_account description: Create a bank account. source_operation: openapi/helcim-api.json#create-bank-account - name: request_new_bank_account description: Request bank account information from a customer. source_operation: openapi/helcim-api.json#request-new-bank-account - name: get_customer_bank_account description: Get customer bank account source_operation: openapi/helcim-api.json#get-customer-bank-account - name: delete_customer_bank_account description: Delete customer bank account. source_operation: openapi/helcim-api.json#delete-customer-bank-account - name: set_customer_bank_account_default description: Set customer bank account as default source_operation: openapi/helcim-api.json#set-customer-bank-account-default - name: get_pad description: Get a PAD by its ID. source_operation: openapi/helcim-api.json#get-pad - name: update_pad description: Update a PAD by its ID. source_operation: openapi/helcim-api.json#update-pad - name: create_invoice description: Create invoice source_operation: openapi/helcim-api.json#create-invoice - name: get_invoices description: Get invoices source_operation: openapi/helcim-api.json#get-invoices - name: get_invoice description: Get invoice source_operation: openapi/helcim-api.json#get-invoice - name: update_invoice description: Update invoice source_operation: openapi/helcim-api.json#update-invoice - name: ach_withdraw description: Process an ACH withdraw. source_operation: openapi/helcim-api.json#ach-withdraw - name: get_many_ach_transactions description: Collects all ACH transactions. source_operation: openapi/helcim-api.json#get-many-ach-transactions - name: get_ach_transaction_by_id description: Retrieves a single ACH transaction. source_operation: openapi/helcim-api.json#get-ach-transaction-by-id - name: ach_refund description: Refund an ACH transaction. source_operation: openapi/helcim-api.json#ach-refund - name: ach_void description: Void an ACH transaction. source_operation: openapi/helcim-api.json#ach-void - name: ach_cancel description: Cancel a pending ACH transaction. source_operation: openapi/helcim-api.json#ach-cancel - name: get_many_ach_batches description: Collects all ACH batches. source_operation: openapi/helcim-api.json#get-many-ach-batches - name: ach_batch_settle description: Settle an ACH batch. source_operation: openapi/helcim-api.json#ach-batch-settle - name: card_terminals description: Get card terminals source_operation: openapi/helcim-api.json#card-terminals - name: get_devices description: Get Devices source_operation: openapi/helcim-api.json#get-devices - name: get_device description: Get Device Information source_operation: openapi/helcim-api.json#get-device - name: start_purchase description: Start A Purchase source_operation: openapi/helcim-api.json#start-purchase - name: start_refund description: Start A Refund source_operation: openapi/helcim-api.json#start-refund - name: ping_device description: Send a Ping Event to a Device source_operation: openapi/helcim-api.json#ping-device deployment: mode: none verified: derived tools: 48 checked: '2026-08-12' source: catalog MCP census