Cards · Agent cards

Your AI agents pay on their own. You set the limits.

Every agent gets its own virtual Visa or Mastercard card, loaded with only the amount that was approved. If something goes wrong, you lose at most that amount, never your treasury.

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Three ways to issue

The right card for every job

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Best for: {{ k.ex }}
How it works

From agent to card in three calls

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Connect your agents

Works where your agents already live

Plug Monerail into any MCP-compatible assistant with no code, or add a payment tool to your framework in a few lines.

All integrations
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Issue your agent's first card

Free sandbox, with test scenarios for approvals, declines and expirations.

Request accessSpend controls
Cards · Agent cards

Your AI agents pay on their own. You set the limits.

Every agent gets its own virtual Visa or Mastercard card, loaded with only the amount that was approved. If something goes wrong, you lose at most that amount, never your treasury.

Monerail•••• 4417
researchactive
Recurring · API credits
$31 spent$50 / day
Monerail•••• 9020
procurementpending
Single-use · software licenses
Awaiting approval$320
Monerail•••• 7731
supportactive
Subscription · helpdesk tool
$29 this monthMerchant-locked
Three ways to issue

The right card for every job

single_use

A card per task

Created for one payment, loaded with the exact amount and closed right after.

Best for: one-off purchases, orders, top-ups
agent

A card per agent

A durable card with a daily or monthly budget, replenished according to your rules.

Best for: research, ops or support agents
merchant_locked

A card per subscription

Locked to a single merchant to pay a recurring plan, and nothing else.

Best for: SaaS tools, APIs, hosting
How it works

From agent to card in three calls

POST /v1/agents201 Created
const agent = await monerail.agents.create({
  name: 'research',
  owner: 'maria@acme.com',
  policy: 'pol_api_credits',
});

// → agt_3Lw8Rz · active
Connect your agents

Works where your agents already live

Plug Monerail into any MCP-compatible assistant with no code, or add a payment tool to your framework in a few lines.

All integrations
Claude
ChatGPT
Cursor
OpenAI Agents SDK
LangChain
Vercel AI SDK
CrewAI

Issue your agent's first card

Free sandbox, with test scenarios for approvals, declines and expirations.