`lob_verify_address`

Pack: lob · Endpoint: https://gateway.pipeworx.io/lob/mcp

Verify a single US address for deliverability and return USPS-standardized/corrected components (ZIP+4, DPV codes, county, lat/lon).

Parameters

Name	Type	Required	Description
`address`	string	no	Full single-line address, e.g. “185 Berry St San Francisco CA 94107”. Use this OR the component fields, not both.
`primary_line`	string	no	Primary street address line, e.g. “185 Berry St”.
`secondary_line`	string	no	Secondary line (apt/suite/unit), e.g. “Ste 6100”. Optional.
`city`	string	no	City name, e.g. “San Francisco”.
`state`	string	no	Two-letter state code, e.g. “CA”.
`zip_code`	string	no	ZIP or ZIP+4, e.g. “94107”.
`_apiKey`	string	yes	Your Lob API key (sign up at https://dashboard.lob.com/).

Example call

Arguments

{
  "address": "185 Berry St Ste 6100 San Francisco CA 94107",
  "_apiKey": "your-lob-api-key"
}

curl

curl -X POST https://gateway.pipeworx.io/lob/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"lob_verify_address","arguments":{"address":"185 Berry St Ste 6100 San Francisco CA 94107","_apiKey":"your-lob-api-key"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('lob_verify_address', {
  "address": "185 Berry St Ste 6100 San Francisco CA 94107",
  "_apiKey": "your-lob-api-key"
});

More examples

{
  "primary_line": "210 King St",
  "city": "San Francisco",
  "state": "CA",
  "zip_code": "94107",
  "_apiKey": "your-lob-api-key"
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "lob": {
      "url": "https://gateway.pipeworx.io/lob/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

lob_verify_address