Now live — Game Topup API v3.0

Digital infrastructure for
complex systems.

Mested provides the software backbone for game economies, high-speed payment flows, and full-stack product development teams.

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qr_code_2PayCraft QR photo_filterFrameIn calculateEMI Tools manage_accountsProfile Custom gamepadGame Topup API paymentsPayment Gateway
6+
Active Products
99.9%
API Uptime
24/7
Support Available
v3
Current API Version

Software Solutions

Purpose-built tools for merchants, developers, and teams who need reliable digital infrastructure.

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Built for scale. Designed for speed.

Every component of the Mested stack is optimised for reliability and developer experience.

Sub-100ms API Response

Our Game Topup and Payment APIs are hosted across distributed edge nodes, ensuring minimal latency for every transaction regardless of user geography.

99.9%
🔒

Secure by Default

TLS 1.3, API key rotation, IP whitelisting, and audit logs built into every endpoint.

🧩

Modular SDKs

Drop-in JavaScript, Python, and PHP SDKs that integrate in under 30 minutes.

📊

Real-Time Analytics

Transaction dashboards, funnel metrics, and live reconciliation reports updated in real time.

🌐

Webhook Support

Event-driven architecture with signed, retryable webhooks for every transaction state change.

👨‍💻

Developer-First Documentation

Interactive API playgrounds, code samples in 5 languages, and a dedicated developer support channel on Telegram.

Read the Docs arrow_forward

We build products that
function like art.

From ideation to deployment — full-stack engineering done right.

01

Frontend Engineering

Bespoke React and Next.js interfaces with performance-first architecture, fluid animations, and accessibility baked in from day one.

React Next.js TypeScript
02

API & Backend Design

Robust REST and GraphQL APIs with clean documentation, designed to scale from startup traffic to enterprise-level throughput.

REST GraphQL Node.js PHP
03

Technical SEO

Server-level optimisation, Core Web Vitals tuning, structured data, and crawl budget management for near-instant search indexing.

Core Web Vitals Schema
04

Game Economy Platforms

End-to-end topup marketplace infrastructure — inventory management, operator integrations, transaction reconciliation, and fraud detection.

MLBB PUBG Topup
05

Payment Integration

Seamless UPI, card, and net-banking integrations with reconciliation tooling, dispute management, and compliance support.

UPI PG Integration
06

SSO & Auth Systems

OAuth 2.0-style identity systems like "Continue with Mested" — centralised authentication with session management across sub-domains.

OAuth 2.0 SSO JWT

Teams that depend on us

From solo developers to growing gaming platforms, teams rely on Mested infrastructure every day.

"The Game Topup API is incredibly fast. Integrating it into our platform saved us weeks of backend work and the documentation is genuinely world-class."
AK
Arjun K.
Platform Developer
"PayCraft QR transformed our checkout flow. QR generation is instantaneous and the merchant dashboard gives us full visibility on every transaction."
SM
Sanya M.
E-commerce Owner
"Mested built our entire payment stack in under a month. The SSO system they implemented is clean, secure, and exactly what our users needed."
RD
Rahul D.
Product Manager

Get in touch with us

Join our community, read the docs, or reach out directly. We're always available.

Common questions

What games are supported by the Topup API? add
Currently we support Mobile Legends: Bang Bang (MLBB), PUBG Mobile, Free Fire, Valorant, and Genshin Impact. New operators are added quarterly. Contact us via Telegram for custom operator integrations.
How do I get API credentials? add
Visit developer.mested.com, register a developer account, and generate your API key from the dashboard. Sandbox credentials are available immediately with no approval needed.
Is the Payment Gateway available for international merchants? add
Currently we support INR-denominated transactions for Indian merchants. Multi-currency support including USD, BDT, and NPR is planned for Q3 2025. Reach out on Telegram for early access.
Can I use "Continue with Mested" for my own platform? add
Yes. The Mested SSO system is available to approved partners. It provides OAuth 2.0-compliant authentication flows, user consent screens, and cross-domain session management. Apply through accounts.mested.com.
What is your SLA for API uptime? add
We maintain a 99.9% uptime SLA for all production API endpoints, with real-time status updates available at status.mested.com. Planned maintenance windows are announced 72 hours in advance via Telegram.
Do you offer white-label solutions? add
Yes, several of our tools including FrameIn, Profile Custom, and the Game Topup infrastructure can be white-labelled for resellers and platform partners. Contact us via support@mested.com to discuss licensing.