Lob.com
lob.com
Provides REST APIs for direct mail (print & mail) and US/international address verification that validate, standardize, and cleanse address data.
The Lob.com API uses basic authentication; has freemium pricing; offers a free tier (Developer Plan starting at $0/month, up to 500 mailings; US address verifications $0.05/additional); rate limits: Rate limit info returned via response headers (ratelimit-limit e.g. 150, ratelimit-remaining, ratelimit-reset); see Rate Limiting appendix. Verified 2026-07-12 with per-field source links.
Free tier
Developer Plan starting at $0/month, up to 500 mailings; US address verifications $0.05/additional
lob.com ↗Pricing
Developer $0/mo, Startup from $260/mo, Growth from $550/mo, Enterprise custom. US address verifications from $0.009–$0.05/additional; international from $0.055–$0.07/additional
lob.com ↗Rate limits
Rate limit info returned via response headers (ratelimit-limit e.g. 150, ratelimit-remaining, ratelimit-reset); see Rate Limiting appendix
docs.lob.com ↗OpenAPI spec
not documented null
no sourceMCP server
not documented null
no source