# Lob **Canonical:** https://apis.io/providers/lob/ **Website:** https://www.lob.com **APIs profiled:** 46 Lob is a software platform that automates the process of sending direct mail, allowing businesses to create, personalize, and track physical mail pieces at scale through a digital interface, essentially bringing the convenience of email marketing to traditional mail by integrating with existing CRM systems and automating printing, addressing, and postage processes. ## Kin Score — 44.0 / 100 (developing) Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 44.0). | Facet | Score | |---|---| | Discoverability | 55.6 | | Contract Quality | 61.2 | | Governance | 0.0 | | Contract Governance | 0.0 | | Operational Transparency | 34.2 | | Developer Ergonomics | 38.1 | | Commercial Clarity | 55.3 | | Access Clarity | 55.3 | ## Agent readiness — 46.5 (agent-ready) | Dimension | Value | |---|---| | Spec Presence | yes | | Agentic Access | no | | Reversibility Documented | documented | | MCP Server | no | | Auth Clarity | yes | | Idempotency | no | | Error Semantics | documented | | OpenAPI Examples | verified | | Rate Limit Signal | verified | | Event Surface Described | yes | | Agent Skills | no | | Well Known Catalog | no | | Consent Identity | no | | Agent Card | no | | Dry Run Mode | no | ## Access Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium). ## APIs (46) - **Lob Accounts API** — The Accounts API from Lob — 1 operation(s) for accounts. - **Lob Addresses API** — To add an address to your address book, you create a new address object. You can retrieve and delete individual addresses as well as get a list of addresses. Addresses are ident... - **Lob Bank Accounts API** — The Bank Accounts API from Lob — 1 operation(s) for bank accounts. - **Lob Bank_id API** — The Bank_id API from Lob — 2 operation(s) for bank_id. - **Lob Bg_id API** — The Bg_id API from Lob — 1 operation(s) for bg_id. - **Lob Billing Groups API** — The Billing Groups API from Lob — 1 operation(s) for billing groups. - **Lob Booklet_id API** — The Booklet_id API from Lob — 1 operation(s) for booklet_id. - **Lob Booklets API** — The Booklets API from Lob — 1 operation(s) for booklets. - **Lob Buckslip_id API** — The Buckslip_id API from Lob — 2 operation(s) for buckslip_id. - **Lob Buckslips API** — The Buckslips endpoint allows you to easily create buckslips that can later be used as add-ons for Letters Campaigns. Note that a Letter Campaign with Buckslip add-on requires a... - **Lob Bulk API** — The Bulk API from Lob — 2 operation(s) for bulk. - **Lob Campaigns API** — The campaigns endpoint allows you to create and view campaigns that can be used to send multiple letters or postcards. The API provides endpoints for creating campaigns, updatin... - **Lob Cards API** — The cards endpoint allows you to easily create cards that can later be affixed to Letters. The API provides endpoints for creating cards, retrieving individual cards, creating c... - **Lob Checks API** — Checks allow you to send payments via physical checks. The API provides endpoints for creating checks, retrieving individual checks, canceling checks, and retrieving a list of c... - **Lob Creatives API** — The creatives endpoint allows you to create and view creatives. Creatives are used to create reusable letter and postcard templates. The API provides endpoints for creating crea... - **Lob Crv_id API** — The Crv_id API from Lob — 1 operation(s) for crv_id. - **Lob Domains API** — The Domains API from Lob — 2 operation(s) for domains. - **Lob Exports API** — The Exports API from Lob — 2 operation(s) for exports. - **Lob Files API** — The Files API from Lob — 1 operation(s) for files. - **Lob Identity Validation API** — The Identity Validation API from Lob — 1 operation(s) for identity validation. - **Lob Informed Delivery Campaign API** — The Informed Delivery Campaign API from Lob — 1 operation(s) for informed delivery campaign. - **Lob Intl Verifications API** — The Intl Verifications API from Lob — 2 operation(s) for intl verifications. - **Lob Letters API** — The letters endpoint allows you to easily print and mail letters. The API provides endpoints for creating letters, retrieving individual letters, canceling letters, and retrievi... - **Lob Links API** — The Links API from Lob — 2 operation(s) for links. - **Lob Ltr_id API** — The Ltr_id API from Lob — 1 operation(s) for ltr_id. - **Lob Orders API** — The Orders API from Lob — 2 operation(s) for orders. - **Lob Postcards API** — The postcards endpoint allows you to easily print and mail postcards. The API provides endpoints for creating postcards, retrieving individual postcards, canceling postcards, an... - **Lob Psc_id API** — The Psc_id API from Lob — 1 operation(s) for psc_id. - **Lob Q R Codes API** — The Q R Codes API from Lob — 1 operation(s) for q r codes. - **Lob Reports API** — The Reports API from Lob — 1 operation(s) for reports. - **Lob Reverse Geocode Lookups API** — The Reverse Geocode Lookups API from Lob — 1 operation(s) for reverse geocode lookups. - **Lob Self Mailers API** — The Self Mailers API from Lob — 1 operation(s) for self mailers. - **Lob Send API** — The Send API from Lob — 1 operation(s) for send. - **Lob Sfm_id API** — The Sfm_id API from Lob — 1 operation(s) for sfm_id. - **Lob Snap_pack_id API** — The Snap_pack_id API from Lob — 1 operation(s) for snap_pack_id. - **Lob Snap Packs API** — The Snap Packs API from Lob — 1 operation(s) for snap packs. - **Lob Template Versions API** — The Template Versions API from Lob — 1 operation(s) for template versions. - **Lob Templates API** — These API endpoints allow you to create, retrieve, update and delete reusable HTML templates for use with the Print & Mail API.