US Business Letter

Classic US business letter format. Full sender and recipient address blocks, salutation, body, closing, and signer. Optionally includes a notary page for legal documents. Configurable paper size and margins.

Template by Stephen Waits

Example output

Download example PDF →

Fields

Example

POST https://api.lobsterpdf.com/render/us_letter
Authorization: Bearer $LOBSTER_KEY
Content-Type: application/json

{
  "sender": {
    "name": "Sarah Mitchell",
    "company": "Mitchell & Associates",
    "street": "1200 Pennsylvania Ave NW",
    "city": "Washington",
    "state": "DC",
    "zip": "20004",
    "phone": "(202) 555-0142",
    "email": "s.mitchell@mitchellassoc.com"
  },
  "recipient": {
    "name": "James Henderson",
    "company": "Greenfield Industries",
    "attention": "Office of the General Counsel",
    "street": "350 Fifth Avenue, Suite 4200",
    "city": "New York",
    "state": "NY",
    "zip": "10118"
  },
  "date": "March 15, 2026",
  "subject": "Engagement Letter — Annual Compliance Review",
  "signer": "Sarah Mitchell",
  "salutation": "Dear Mr. Henderson,",
  "body": "Thank you for selecting Mitchell & Associates to conduct your annual compliance review. We are pleased to confirm the terms of our engagement as discussed during our meeting on March 5.\n\nOur team will perform a comprehensive review of your internal controls, regulatory filings, and corporate governance procedures. The review period covers the fiscal year ending December 31, 2025.\n\nThe fixed fee for this engagement is $85,000, payable in two installments. We anticipate completing the review within six weeks of receiving full access to the relevant documentation.\n\nPlease sign and return the enclosed engagement letter by March 25, 2026. We look forward to working with you.",
  "closing": "Sincerely,",
  "attachments": "Engagement Letter, Fee Schedule"
}

{"url": "https://api.lobsterpdf.com/pdf/a1b2c3d4e5f6"}

JSON Schema

{
  "$defs": {
    "Address": {
      "properties": {
        "name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Name"
        },
        "company": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Company"
        },
        "attention": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Attention"
        },
        "street": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Street"
        },
        "city": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "City"
        },
        "state": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "State"
        },
        "zip": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Zip"
        },
        "phone": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Phone"
        },
        "email": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Email"
        }
      },
      "title": "Address",
      "type": "object"
    }
  },
  "properties": {
    "sender": {
      "$ref": "#/$defs/Address"
    },
    "recipient": {
      "$ref": "#/$defs/Address"
    },
    "signer": {
      "title": "Signer",
      "type": "string"
    },
    "body": {
      "title": "Body",
      "type": "string"
    },
    "date": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Date"
    },
    "subject": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Subject"
    },
    "salutation": {
      "default": "To whom it may concern,",
      "title": "Salutation",
      "type": "string"
    },
    "closing": {
      "default": "Sincerely,",
      "title": "Closing",
      "type": "string"
    },
    "attachments": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Attachments"
    },
    "notary_page": {
      "default": false,
      "title": "Notary Page",
      "type": "boolean"
    },
    "paper": {
      "default": "us-letter",
      "title": "Paper",
      "type": "string"
    },
    "margin": {
      "default": "1in",
      "title": "Margin",
      "type": "string"
    }
  },
  "required": [
    "sender",
    "recipient",
    "signer",
    "body"
  ],
  "title": "USLetterData",
  "type": "object"
}