Slash Agent Card A higher standard in business finance
ONE COMMAND TO GET STARTED.
https://mcp.slash.com/mcp?apiKey=YOUR_API_KEY
CARD FEATURE OVERVIEW.
Payments & Banking Operations
- SEND PAYMENTS:
Move money between accounts. Pay invoices via ACH. Send funds via Slash Pay. All initiated by agent via call_api_endpoint, executed by Slash platform.
- BANKING:
Check account balances. Query transaction history and aggregations. Manage virtual accounts (pools). Set ACH authorization limits. Configure auto top-up rules.
- STABLECOIN:
Send and receive USDC, USDT, and USDSL from Slash dashboard. Stablecoin services via Bridge Building Inc and Layer2 Financial.4
Pricing & Plans
- FREE PLAN ($0/mo):
Full-featured banking essentials. Hundreds of millions in FDIC insurance. Same-day ACH ($1), domestic wires ($6), FedNow/RTP ($5). Unlimited virtual cards. International wires $25. Foreign transaction 1% (min $0.40).
- PRO PLAN ($25/mo):
Same-day ACH ($0), domestic wires ($0), FedNow/RTP ($0). Unlimited virtual cards. Unlimited cashback on card purchases. International wires $25. Foreign transaction 1% (min $0.40). Advanced features: multi-entity, custom roles, enhanced analytics.
THE REAL STORY ON THIS CARD.
- Free ($0/mo), Pro ($25/mo with unlimited cashback)
- No SDK required — one MCP URL, three self-discovering tools
- RSA-OAEP encryption: agents never see raw PAN/CVV
- Two-tier security: read-only keys (human approval) or read-write (full autonomy)
- FDIC-insured bank partner (Column N.A.) with hundreds of millions coverage
- $1.4B valuation, $35B+ yearly volume, 10,000+ businesses, 5M+ cards
- Stablecoin rails (USDC, USDT, USDSL) alongside fiat banking
- US-only — Column N.A. is a US bank
- Full banking API surface, not a simplified card-only interface
- No GitHub repo or open-source SDK — docs only
- Visa charge card (paid in full daily), not revolving credit
- No dedicated agent framework plugins (LangChain, CrewAI)
GENERAL QUESTIONS.
Slash for Agents works with any AI agent that supports the Model Context Protocol (MCP) — including Claude Desktop, Cursor, GPT-based agents, and custom-built agents. The MCP server uses streamable HTTP transport with JSON responses, so any HTTP-capable client can connect. No special SDK, npm package, or pip install is required — just one URL: https://mcp.slash.com/mcp?apiKey=YOUR_API_KEY. The three core tools (list_endpoints, get_endpoint_schema, call_api_endpoint) self-discover the full Slash API surface, so agents dynamically learn available actions rather than relying on hardcoded integrations.
Humans control spend through per-card and per-group limits set via the Slash dashboard or API: daily, monthly, and lifetime caps on each virtual or physical card. Agents can set and update these limits programmatically, but human oversight is enforced through two API key modes: read-only keys defer all write operations (create card, send payment, change limit) for human approval via Agent Requests — the agent proposes an action, the team reviews in the Slash dashboard, and approves or rejects it. Read-write keys enable full autonomy for trusted agents, but every action is logged with agent identity, reviewer, and timestamp. Cards can be paused or closed instantly. Additionally, authorization webhooks enable real-time custom approval logic before charges settle.
Slash has two plans: Free ($0/mo) and Pro ($25/mo). Both include unlimited virtual cards. The Free plan charges per-transaction fees: same-day ACH $1, domestic wires $6, FedNow/RTP $5, international wires $25, foreign card transactions 1% (min $0.40). The Pro plan removes all domestic payment fees ($0 ACH, $0 domestic wires, $0 FedNow/RTP) and adds unlimited cashback on card purchases. There are no setup fees, no minimum balances, and no hidden charges. The Slash Platinum Card is a Visa charge card (paid in full daily), not a credit line — so no interest charges apply.
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