Lob

13 tools available

Direct Mail Automation and Address Verification APIs

Connect Lob to Definable to build sequences, sync segments, roll up daily campaign performance. Personas call Lob's 13 tools directly from chat or scheduled flows. Connect it to a marketing persona to plan campaigns, score leads, and send personalised follow-ups.

Common workflows with Lob

Lead-magnet sequence

Form submission triggers an event
Agent picks a sequence based on lead score
Schedules and sends the first touchpoint

Daily campaign roll-up

Pull yesterday's campaign metrics
Generate a one-paragraph summary
DM the team in Slack at 9am

Segment refresh

Query the CRM for new active users
Build/refresh the segment
Push the updated audience to your sender

Lob actions 13

Every Lob action below is a callable tool any Definable persona can invoke.

Create Domain

Tool to add a new custom domain for creating custom links. Use when you need to register a domain for short link customization.

Create Link

Tool to create a shortened URL from a long URL using Lob's link shortening service. Use when you need to shorten a long URL either by using a custom domain or Lob's own short domain.

Delete Domain

Tool to delete a registered domain. Use only after confirming all associated links with the domain are deleted.

Delete Link

Tool to delete a shortened link. Use when you need to remove a previously created short link from the system.

Delete Upload

Tool to delete an existing upload by its unique identifier. Use when you need to permanently remove an upload and its associated data.

Get Domain

Tool to retrieve details for a single domain from Lob. Use when you need to get configuration status, redirect links, or other metadata for a specific domain.

Get Link

Tool to retrieve a single shortened link. Use when you need to fetch details about a specific link by its ID.

List Domains

Tool to retrieve a list of all created domains. Use when you need to view or manage custom domains configured for URL shortening. Supports pagination and filtering by configuration status.

List Shortened Links

Tool to retrieve a list of shortened links. The list is sorted by creation date, with the most recently created appearing first. Use when you need to view all links or filter by campaign or domain.

List QR Code Analytics

Tool to retrieve a list of your QR codes and their analytics data. The QR codes are returned sorted by scan date, with the most recently scanned QR codes appearing first.

List Uploads

Tool to list uploads from Lob. Use when you need to retrieve all uploads or filter uploads by campaign ID.

Update Link

Tool to update any properties of a shortened link. Use when you need to modify the redirect URL, title, or metadata of an existing Lob shortened link. Requires the link_id and at least the redirect_link to update.

Validate Identity

Tool to validate whether a given name is associated with an address. Use when you need to verify identity information by checking if a recipient name matches address records.

Frequently asked questions

What can I automate with Lob on Definable?

Anything Lob exposes through its API. Common marketing automation workflows on Definable include build sequences, sync segments, roll up daily campaign performance. Personas can call any of the 13 Lob tools directly, then chain the result into another integration without you writing code.

How does Lob authentication work?

Lob uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

Is the Lob integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 13 Lob tools. You only need a separate Lob subscription if Lob itself charges per seat or per API call.

Is using Lob through Definable secure?

Every call from a persona to Lob is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

How do I get started with Lob on Definable?

Sign up for Definable, open the integrations page, find Lob, and connect via OAuth or API key. You can immediately attach Lob to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

What Lob actions does Definable expose?

Definable exposes all 13 Lob actions as callable tools — including `Create Domain`, `Create Link`, `Delete Domain`, plus 10 more. Each tool gets a typed parameter schema so personas know exactly how to call it.

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