Komori
Other Disclosures3769GMO Payment Gateway,Inc.Information and Communications, Services and Others

GMO Payment Gateway publicly releases "Payment Development Documentation," the first domestic PSP documentation compatible with LLM discovery and AI search

GMO Payment Gateway publicly released the developer documentation for its PG Multi-Payment Service on 30 March 2026 in a format compatible with LLM discovery and AI search. Based on user feedback from the early-access release, the company also improved the API reference, sample code, search speed and other features.

Worth reading
66In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Conditional
How definitive the wording is.

Announced details

PG Multi-Payment ServicePG Multi-Payment Service Developer DocumentationPayment Development DocumentationAsk AI
Applicable field (uses covered by this announcement)
ECDigital ServicesB2B transactionsDesign and implementation of online payments
Launch date30 March 2026 (full public release, actual date)
What the company reported numerically
Usage history

The online integrated payment service had been adopted by more than 150,000 affiliated merchants as of the end of December 2025 (the document does not specify whether this is a cumulative or point-in-time figure)

Relationship between the counterparty and the company
GMO Payment Gateway,Inc.3769
Relationship with the Company

Early-adopter companies and providers of feedback. Capital and personnel relationships are Not disclosed.

Counterpartynote inc.GMO MAKESHOP, Inc.

note inc. is mentioned only through a comment from its project manager; location, representative, capital, year established and business activities are Not disclosed. GMO MAKESHOP, Inc. is mentioned only through a comment from a manager in the Development Department of its makeshop Business Division; location, representative, capital, year established and business activities are Not disclosed.

Location (as indicated in this announcement)

Supports more than 30 payment methods and has been adopted by more than 150,000 affiliated merchants

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

GMO-PG research (claim of being the first domestic PSP); consolidated figure as of the end of December 2025

Announced details
ItemDetails
Names of Products / Services CoveredPG Multi-Payment Service, PG Multi-Payment Service Developer Documentation, Payment Development Documentation, Ask AI
Counterpartynote inc., GMO MAKESHOP, Inc.
Counterparty overviewnote inc. is mentioned only through a comment from its project manager; location, representative, capital, year established and business activities are Not disclosed. GMO MAKESHOP, Inc. is mentioned only through a comment from a manager in the Development Department of its makeshop Business Division; location, representative, capital, year established and business activities are Not disclosed.
Relationship with the CompanyEarly-adopter companies and providers of feedback. Capital and personnel relationships are Not disclosed.
Launch date30 March 2026 (full public release, actual date)
Applicable areaEC, Digital Services, B2B transactions, Design and implementation of online payments
Location scaleSupports more than 30 payment methods and has been adopted by more than 150,000 affiliated merchants
Usage historyThe online integrated payment service had been adopted by more than 150,000 affiliated merchants as of the end of December 2025 (the document does not specify whether this is a cumulative or point-in-time figure)
SourceGMO-PG research (claim of being the first domestic PSP); consolidated figure as of the end of December 2025
Items this document does not state (9)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationQuantitative EffectsImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To address the spread of generative AI and enable developers to review complex payment specifications accurately across multiple areas. The company also incorporated feedback from developers during the early-access period to improve usability and ease of understanding.

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
GMO Payment Gateway publicly releases "Payment Development Documentation," the first domestic PSP documentation compatible with LLM discovery and AI search | GMO Payment Gateway,Inc. (3769) timely disclosure | Komori