Accounting finance ops

Paid

Website

Paid is an API for invoicing. Paid helps company manage their accounts receiving with a seamless integration into any tech stack. We help you track expenses, generate & issue invoices, remind customers of outstanding payments and reconcile your accounts—all with about 30 minutes development time. API - Automate Everything Paid allows you to auto

Overview

Paid is an API for invoicing. Paid helps company manage their accounts receiving with a seamless integration into any tech stack. We help you track expenses, generate & issue invoices, remind customers of outstanding payments and reconcile your accounts—all with about 30 minutes development time.

API - Automate Everything

Paid allows you to automate every step of your accounts receivable. In a few lines of code you can create invoices, issue them, and accept payments. Paid makes the invoicing/billing process fully automatic, freeing up time to focus on core business responsibilities.

Customize Everything

Your company, your way of doing things. Paid is fully customizable from branding, billing terms, payment methods and more. Paid can be adapted to any business model.

Track Everything

How much revenue is currently outstanding? How much is overdue? Who has already paid and does so on a regular basis? Everything you and your Finance Department need can be seen on our dashboard and exported for Accounting.

Grow With Paid

Whether it’s 10 or 10,000,000 invoices, Paid has a solution that will enable you to scale without the normal growing pains.

Company description As recorded 2026-11-08
Accounting finance opsAPI platformBusinessesSmall businessesUsage & volume pricing

Founders & team

Previously Theorem

Company history As recorded 2026-11-08
2team members reported
Source-reported As recorded 2026-09-15

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced people
startup.observe Directory coverage · Sources & method