What Quanta Pay Service does

Quanta Pay Service K.K. (クァンタペイサービス株式会社) is a Tokyo-based, privately held Japanese payment service provider founded in 2018. The company's core offering is credit card payment processing for two end markets: internet content businesses (EC sites, online games, music and video streaming, digital comics, mobile content, and SNS) and physical retail merchants (restaurants, hair and beauty salons, retail stores, medical institutions, moving companies, real estate, and bookstores). It distributes payment modules for the EC-CUBE and WordPress CMS platforms and supports multi-currency processing and cross-platform terminal compatibility across iOS, Android, Windows Phone, and feature phones.

Underlying technology centers on a transaction-processing backend with web-accessible terminal compatibility and CMS-level integration modules, supplemented by a LINE-based customer support product called L-Chat and adjacent service lines in consumer application development and CtoC payment platform development. No proprietary AI, patents, or certifications are disclosed.

Quanta Pay Service generates revenue through transaction-based processing fees charged to merchants, with bespoke pricing set per merchant based on business type, transaction volume, and services required; no public pricing tiers exist. The company goes to market via a direct field-sales motion with nationwide on-site consultation visits, an inside sales hotline, and LINE-based engagement, explicitly targeting small-scale merchants in regional Japan where it states credit card adoption is lower and incumbent processing fees are higher. No revenue, headcount, funding, or customer count data is publicly disclosed.

Name

Quanta Pay Service

Legal name

クァンタペイサービス株式会社

Website

https://quantapay-s.jp

Company type

Private

Founded year

2018

Operating status

Operating

Short description

Quanta Pay Service is a Tokyo-based payment service provider founded in 2018 that processes credit card payments for Japanese small merchants across internet content and physical retail, distributing via field sales, phone, and LINE.

Ownership category

akta.pro rank

Product category

Payment Processing Services

NAICS

Financial Transactions Processing, Reserve, and Clearinghouse Activities (52232), Activities Related to Credit Intermediation (5223)

SIC

Finance Services (6199)

akta.pro primary industry

Integrated Payment Processors (PSP/Acquirer) (FSAMABAA)

akta.pro secondary industries

Marketplace / Platform Acquiring (PayFac & Sub-Merchant Management) (FSAMABAF), Embedded Payments (Pay-ins, Pay-outs, Wallets) (FSAGALAB)

Keywords

• Credit card processing
• Payment processing
• Payment gateway
• Merchant services
• Electronic payments

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Credit Card Transaction Processing Fees: Revenue generated from processing credit card payments for merchants. The company charges transaction fees (card processing fees) for each payment processed. This is the primary revenue stream for the payment settlement services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

Quanta Pay Service (クァンタペイサービス株式会社) provides credit card payment processing services for merchants in Japan, supporting both online merchants (e-commerce stores, digital content providers) and physical retail stores. The company supplements its payment processing core with integration modules for EC-CUBE and WordPress, the L-Chat customer support tool, and ancillary services including consumer app development and C-to-C payment platform development.

Product overview

Quanta Pay Service operates as a credit card payment service provider offering both internet content payment integration and physical retail store payment solutions. The core offering consists of their credit card payment processing service for e-commerce platforms (EC sites, online games, streaming services, digital content) and brick-and-mortar retail stores. The company provides supplementary services including L-Chat for customer support via LINE, consumer application development, and CtoC (consumer-to-consumer) payment platform development. Payment modules are available for popular CMS platforms including EC-CUBE and WordPress.

Differentiator

Problem solved

Functional benefit

Products and services

• Credit card payment processing service

Quantifiable outcome

• Minimum 3-day merchant onboarding possible with streamlined application process

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• SBPS (SoftBank Payment Service): SoftBank-affiliated payment service provider offering credit card and alternative payment acquiring for EC and physical stores in Japan; comparable SMB acquiring, multi-payment-method offering, and onboarding flow.
• Veritrans (DG Financial Technology): Major Japanese PSP operating under Digital Garage, providing both card and QR acquiring for SMB and enterprise merchants with multi-CMS integrations — direct competition in the same online + offline merchant acquiring space.
• GMO Payment Gateway: Japan's largest payment processor, publicly listed, serving both online and offline merchants across SMB and enterprise tiers. A dominant incumbent whose pricing and coverage Quanta's positioning implicitly competes against.
• Square (Block): Global SMB-focused payment and POS provider with Japanese presence targeting small in-person merchants; competes for the same regional / small-store merchant base that Quanta serves via cost-efficient card acceptance.
• PayPal Japan: Global payment network with Japanese operations covering card processing, wallets, and multi-merchant acquiring for online and offline SMBs; broader platform but directly competitive in the online card-acquiring segment.

Direct peers

• Stripe Japan: Global PSP with established Japanese operations, API-first card processing, and broad EC integrations; directly competes for Japanese online merchants on pricing and developer experience that Quanta's SMB focus also targets.
• Fincode (GMO): GMO group PSP aimed at small and mid-size Japanese EC merchants with low-friction onboarding — overlaps Quanta's value proposition on fast setup, broad card brands, and SMB pricing advantage.
• Epsilon: Japanese payment processor specializing in EC / digital content (online gaming, music, video, digital comics, SNS) — closely mirrors Quanta's primary "internet content" segment, with comparable merchant pain points around integration and processing fees.
• PAY.JP: Japanese payment processor (BASE group) focused on SMB and EC merchants with simple card-processing APIs; comparable developer-friendly positioning for small Japanese online businesses.
• Payment Plus (ENG): Japanese SMB-focused payment processor providing simple credit-card acquiring for small in-person merchants and EC sites; comparable niche positioning, pricing emphasis, and small-merchant consultation model.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Quanta Pay Service