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Lithic (BYOK) — connector documentation

  • MCP endpoint: https://byok-lithic.connectorbay.com/mcp
  • REST API: POST https://byok-lithic.connectorbay.com/v1/tools/{tool_name}, described by the OpenAPI 3.1 spec at https://byok-lithic.connectorbay.com/openapi.json
  • Transport: Streamable HTTP, stateless, MCP specification 2025-06-18 or later
  • Authentication: your own Lithic production API key (sent as the Authorization header), sent in the X-Upstream-Key header of every request (never stored, logged or cached)
  • Health: https://byok-lithic.connectorbay.com/health · Tool schemas: https://byok-lithic.connectorbay.com/tools.json
  • Publisher: Unify Dynamics LLC · connectorbay.com/byok-lithic · agent@connectorbay.com

What Lithic (BYOK) is for

Lithic (BYOK) lets an AI assistant read your own Lithic data through the Lithic API with a key you supply (production API key (sent as the Authorization header)). Read-only: 10 tools (list_cards, get_card, list_accounts, list_financial_accounts, list_balances, list_account_activity, list_payments, list_book_transfers, list_disputes, list_events). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.lithic.com. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Lithic. Lithic and its logos are trademarks of their owners and are used only to say which service the connector works with.

Ask your assistant things like:

  • "Which of my Lithic cards are paused or closed?"
  • "Show the Lithic card with token 7ef7d65c-9023-4da3-b113-3b8583fd7951"
  • "List my Lithic accounts and their spend limits"
  • "What financial accounts do I have in Lithic?"
  • "What is the balance of each of my Lithic financial accounts?"
  • "Show my latest Lithic transactions that were declined"

What it does

  • list_cards: List cards with type, state, memo, last four digits, expiry, spend limit and PIN status; full card numbers are never returned.
  • get_card: Get one card by token: type, state, memo, last four digits, expiry, spend limit, PIN status (no card number or CVV).
  • list_accounts: List card accounts with state, spend limit, cardholder currency and creation time.
  • list_financial_accounts: List financial accounts (issuing, operating, reserve, security) with type, nickname, status and owning account; account numbers are left out.
  • list_balances: List balances (available, pending, total, in minor units) of financial accounts, latest or as of a given time.
  • list_account_activity: List transactions across your accounts (card, ACH, wire, fees, transfers) with category, status, amounts in minor units and descriptor.
  • list_payments: List ACH payments with direction, status, amounts in minor units, method and descriptor.
  • list_book_transfers: List book transfers between financial accounts with category, status, amounts in minor units and the two accounts.
  • list_disputes: List card disputes (version 2) with network, status, disposition, currency and the disputed card.
  • list_events: List account events (webhook-style records) with type and time; the event payload is not requested.

BYOK key

You bring your own Lithic production API key (sent as the Authorization header) (https://docs.lithic.com/docs/get-api-key). Your assistant sends it in the X-Upstream-Key header with each request. ConnectorBay uses it for that one call only: it is never stored, logged or cached, never shown in an answer, and it is only sent to api.lithic.com over https, with no redirects followed. Create a key with the fewest permissions the tools need (read-only if the provider offers it), and revoke it at the provider whenever you like.

Data sources

Live from the Lithic API (api.lithic.com) with a BYOK key; documentation: https://docs.lithic.com/reference/getcards. Endpoints checked against that documentation on 2026-10-16.

What it is not

Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Lithic. Lithic and its logos are trademarks of their owners and are used only to say which service the connector works with. It is read-only: it never creates, changes, sends or deletes anything in your Lithic account.

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