LinkedIn · Aug 2025
Sai Arora post announcing CardPay and describing Mercoa’s shift from Bill Pay infrastructure toward automating vendor enablement for virtual card payouts.
AI Agent for Billpay platforms to pay invoices with virtual cards
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Mercoa is a San Francisco-based YC W23 startup building an embedded B2B payments and BillPay platform for SaaS, fintech, and vertical software companies. Its core product lets customers launch white-labeled AP/AR workflows, invoice OCR, vendor management, approval flows, and payment orchestration, and it has more recently pushed toward an AI-driven CardPay agent for converting card-eligible bills into virtual card payments.
Primary product
Embedded B2B payments and BillPay API for SaaS/fintech platforms, including AI-powered AP/AR and CardPay automation
Founded
2022
Headquarters
53 Wilder Street, San Francisco, CA 94131, United States
Team size
1-10
Work style
Onsite
Industry
Embedded Software Products
Sub-industry
Embedded B2B payments, bill pay, and accounts payable infrastructure
Offices
53 Wilder Street, San Francisco, CA 94131, United States
Business model
Embedded SaaS/API platform
Transaction fees / revenue share on payment monetization
White-labeled software licensing
Usage-based payment orchestration
Funding
Stage
Seed
Total raised
$625K
Latest round
Seed Round · Aug 2023
Latest amount
$125K
Aug 2023 · Y Combinator
Apr 2023 · Y Combinator
People & investors
Investors
Work & culture
Lean, high-agency, customer-obsessed, and fast-shipping culture; public hiring copy emphasizes ownership, autonomy, wearing many hats, and bias toward action.
Work style
Onsite
Compensation
Public hiring signals include a Founding Engineer role at $150K-$200K salary plus 0.25%-0.60% equity, with a 100% in-person San Francisco requirement.
Product & market
Pricing
Embedded platform economics with transaction monetization, premium payment options, and revenue share; public messaging also references customizable transaction fees and SaaS fees.
Differentiators
- —White-labeled embedded AP/BillPay and AR experience
- —Drop-in iFrame, React components, SDKs, and APIs
- —AI-powered invoice OCR and line-item classification
- —CardPay agent to convert ACH/check payouts into virtual cards
- —Vendor enablement automation through portals/links/phone/email
- —Fast implementation and short time-to-launch
- —Built for vertical SaaS and fintech platforms rather than end-user SMB dashboards
Technology
TypeScript
Python
Java
JavaScript
React
Node.js
PostgreSQL
Google Cloud
LLMs / multimodal AI
BAML
Gemini
iFrame/embedded components
REST APIs
SDKs
Customers
B2B fintechs
Vertical SaaS platforms
Neobanks
Banks and payment issuers
Construction software
E-commerce software
Home services software
Accounting firms
Competitors
Bill.com
Crater Invoice
OatFi
Versapay
Ratio Payments
Global PayEx
Weavr
Scale & contact
Estimated revenue
≈$550K ARR (estimated)
Estimated monthly visits
3.2K
Traffic estimate as of Jul 2026
Latest news
AI Engineering Report · Aug 2025
Interview with Mercoa co-founder Sandeep Dinesh covering the company’s AI agent direction, OCR stack, customer segments, and model/tool choices (Gemini, BAML, Stagehand).
Mercoa blog · Aug 2024
Describes how Mercoa rebuilt invoice OCR using multimodal LLMs and BAML, replacing months of custom parsing logic with a faster and more maintainable pipeline.
APIs You Won't Hate · Jul 2024
Podcast episode with Sandeep Dinesh discussing why Mercoa built an API-first accounts payable platform and how it fits embedded payments workflows.
Mercoa blog · Jul 2024
A team/culture post showing the company’s lean structure, rapid shipping, and expectation that engineers handle product, customer, and content work.
Jobs and careers at Mercoa
0 jobs at Mercoa
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