n8n-nodes-sardis

n8n community node for Sardis — policy-controlled payments for AI agents and workflows.

Installation

In your n8n instance, go to Settings > Community Nodes and install:

n8n-nodes-sardis

Or install manually via npm in your n8n data directory:

npm install n8n-nodes-sardis

Credentials

Create a Sardis API credential with:

• API Key — your Sardis key (starts with sk_), from https://sardis.sh/dashboard
• Base URL — defaults to https://api.sardis.sh (change for self-hosted)

Operations

Send Payment

Executes a policy-checked on-chain stablecoin transfer.

| Field | Description | |-----------|--------------------------------------| | Wallet ID | Sardis wallet ID | | Amount | Payment amount in USD | | Merchant | Destination address or identifier | | Purpose | Optional memo / reason for payment | | Token | USDC, USDT, PYUSD, or EURC | | Chain | Base, Ethereum, Polygon, Arbitrum, Optimism |

Check Balance

Returns current balance and spending limits for a wallet.

| Field | Description | |-----------|--------------------------------------| | Wallet ID | Sardis wallet ID | | Token | Token to query | | Chain | Chain to query |

Check Policy

Pre-flight check — returns whether a given amount/merchant combination would be approved by the wallet's spending policy without executing a transaction.

| Field | Description | |-----------|--------------------------------------| | Wallet ID | Sardis wallet ID | | Amount | Proposed payment amount | | Merchant | Proposed recipient |

Example Workflow

1. Trigger node (e.g. Schedule, Webhook, or AI Agent output)
2. Sardis node — operation: Check Policy
3. IF node — branch on {{ $json.allowed }}
4. Sardis node — operation: Send Payment
5. Slack / Email node — notify on completion

Links

• Website: https://sardis.sh
• Docs: https://sardis.sh/docs
• GitHub: https://github.com/EfeDurmaz16/sardis