About Copperlane
Copperlane is an AI-native mortgage origination platform whose core product, Penny, is an AI loan officer that analyzes borrower documents, income, assets, and credit files. It is part of Y Combinator's Winter 2026 batch. In June 2026 it raised a $4.1M seed round led by TQ Ventures.
What is Copperlane?
What is Copperlane?
Copperlane helps mortgage lenders speed up the loan process and reduce mistakes in applications. The company uses AI agents to understand an applicant's profile, verify documents, and complete initial underwriting tasks.
Its core product is Penny, described as an autonomous AI mortgage loan officer. According to The SaaS News, Penny analyzes borrower documents, income patterns, assets, and credit files, then surfaces recommendations and drafts the explanations that human staff need. The goal is to cut the time spent on document review and preapproval analysis, which are some of the most manual steps in mortgage origination.
Copperlane was founded by Athan Zhang and Brianna Lin and is based in San Francisco. It is part of Y Combinator's Winter 2026 batch. In June 2026 it announced a $4.1M seed round led by TQ Ventures, with participation from Y Combinator, US News Digital Ventures, Mercor, and Valon Mortgage. The company said it would use the capital to scale Penny and keep developing the platform.
For lenders, the pitch is that AI agents take over repetitive document and underwriting prep while loan officers keep the final decisions.
Pros
- Focused specifically on mortgage origination workflows
- Penny handles document verification and initial underwriting prep
- Drafts explanations for human staff instead of replacing final decisions
- Backed by mortgage industry participants including Valon Mortgage
Cons
- Built for lenders, not for individual borrowers
- Pricing is not published on the website
- Regulated lending workflows mean adoption depends on each lender's compliance review
How to Use Copperlane
- 1Request a demo
Contact Copperlane through its website to discuss your lending workflow.
- 2Connect loan data
Set up how borrower applications and documents flow into the platform.
- 3Let Penny review files
Penny analyzes documents, income, assets, and credit files and flags issues.
- 4Review recommendations
Loan officers review Penny's recommendations and drafted explanations before acting.