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Fast delivery. Fair pricing. Bank-grade security.

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Safe and Fast Transactions.

Safe and Fast Transactions

Fast & Secure Crypto Exchange API and Onramp Solutions

Launch fast. Scale globally. Stay compliant with one powerful platform built for developers and fintechs.

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Why Choose InstaXchange?

Discover what sets Instaxchange apart as a trusted partner for developers, fintechs, and enterprise platforms looking to integrate crypto capabilities quickly and securely.

  • Built for speed, scalability, and global reach

    Instaxchange’s infrastructure is optimized for global deployment, supporting high transaction volumes and low-latency trading across markets worldwide.

    Built for speed, scalability, and global reach

  • Trusted by developers and businesses worldwide

    Used by top-tier partners in over 100 countries, Instaxchange is known for reliability, performance, and compliance in real-world crypto environments.

    Trusted by developers and businesses worldwide
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Powerful Crypto Exchange API for Developers

Our exchange API provides full trading, liquidity, and data functionality—built with developers in mind and backed by robust documentation and support.

Easy integration with REST & WebSocket APIs

Choose between REST for ease or WebSocket for real-time responsiveness—our API supports both for maximum flexibility.

.../api/session
POST
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{
  "accountRefId": "string",
  "fromAmount": 1000,
  "toCurrency": "ETH",
  "fromCurrency": "EUR",
  "address": "0xinstajkefskndf...fs",
  "amountDirection": "sending",
  "webhookRef": "string",
  "returnUrl": "example.com/success",
  "method": "card"
}

Real-time trading, liquidity, and order management

Get access to deep liquidity pools and execute trades programmatically with precision, speed, and comprehensive account controls.

BTC to USDEUR to BTC

Sandbox environment and detailed API docs

Validate your integration in a dedicated sandbox and speed up development with detailed guides, SDKs, and Postman-ready collections.

Visit Docs
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Fiat-to-Crypto Onramp Made Simple

Discover what sets Instaxchange apart as a trusted partner for developers, fintechs, and enterprise platforms looking to integrate crypto capabilities quickly and securely.

  • Accept 40+ fiat currencies globally

    Support seamless fiat-to-crypto purchases in local currencies, with automatic conversion and localized UX.

    Accept 40+ fiat currencies globally

  • Seamless KYC and compliance support

    Our system manages identity verification, AML, and compliance requirements out of the box—saving you time and legal complexity.

    Seamless KYC and compliance support

  • Localized UX for 100+ countries

    Provide a user experience that adapts to regional preferences, language, and compliance norms with our pre-optimized interface.

    Localized UX for 100+ countries
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Start Integrating Instaxchange in Minutes

Whether through API, SDK, or widget, Instaxchange offers plug-and-play crypto tools that get you to market faster.

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Use our SDK or drop-in widget

Integrate a fully functional fiat-to-crypto flow with a few lines of code—ideal for web apps, wallets, and payment gateways.

Full developer support and onboarding assistance

We offer hands-on guidance and 24/7 support to ensure your team launches without friction or downtime.

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Built for Developers, Ready for Production

  • Fast, Flexible Integration Options

    Fast, Flexible Integration Options

    Choose the method that fits your stack—REST, WebSocket, SDK, or prebuilt widget. Instaxchange supports multiple workflows, whether you're building a web app, wallet, or payment gateway.

  • Transparent, Well-Documented API

    Transparent, Well-Documented API

    Access detailed developer docs, Postman collections, SDKs, and code examples. Everything is clearly versioned, with schema transparency and error messages you can actually debug.

  • Production-Ready Infrastructure & Support

    Production-Ready Infrastructure & Support

    Go from sandbox to live without surprises. Our infrastructure is stable, performant, and monitored 24/7—plus you get access to real humans during integration.

Book ImageFrequently Asked
Questions

Frequently Asked Questions

Onramps allow users to convert fiat currencies into crypto assets, making them a vital part of any crypto-native or hybrid application.

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Compliance & Security You Can Trust

Instaxchange is built to meet global regulatory and security standards from day one.

View Legal Docs

  • Full KYC/AML compliance for fiat onramps

    for information security management

  • Cold storage protocols

    for all custodial crypto holdings

  • Independent security audits

    are performed quarterly by top-tier firms

  • Real-time risk monitoring

    with 24/7 threat detection systems

  • Biometric and MFA access controls

    for all user accounts

From First Call to First Trade—Fast

Use our SDK or API to integrate Instaxchange in hours, not weeks—with all the docs and sandbox you need.