[REQ_ERR: 403] [KTrafficClient] Something is wrong. Enable debug mode to see the reason. Nanswap API: Fast, Secure Blockchain Swaps & Integration

Nanswap API

The fastest, most secure way to integrate real-time Nano and Banano swaps into your app, exchange, or payment flow.

Get API Access Explore Nanswap platform

What Makes Nanswap API Distinct

S

Swap Engine

Instantly bridge Nano and Banano with low-latency, atomic swaps. Our API underpins non-custodial swaps, providing deterministic settlement with clear on-chain proof. No third-party dependencies.

R

Realtime Blockchain Data

Monitor, index, and react to live Nano and Banano transactions via webhooks or WebSocket streaming. Developers can subscribe to addresses, block notifications, or custom triggers with sub-second latency.

S

Secure Integration

All endpoints are TLS-encrypted, rate-limited, and signed for tamper-proof requests. Key management is handled off-chain. PCI and GDPR readiness ensures enterprise trust—ideal for exchanges and payment processors.

D

Developer Experience

Straightforward REST and WebSocket APIs, battle-tested code samples, and deep integration guides. Dedicated engineering support means your questions are answered by the same team that built the swap engine.

650ms Median Swap Time
99.99% Uptime (rolling 12mo)
12M+ API Calls per Month
0 Security Breaches
On-chain status: live | Block height: 10,774,381

Overview: Why Build With the Nanswap API?

In a landscape where every millisecond matters and trust is paramount, the Nanswap API delivers a solution tailored for professionals. It isn't another generic aggregator—this is the direct backbone behind Nanswap exchange, powering hundreds of thousands of cross-chain swaps with proven reliability and clarity. For developers and operators who demand both speed and transparency, Nanswap API removes the guesswork from digital asset conversion and blockchain monitoring.

Key Capabilities for Traders & Developers

  • Atomic Nano ⇄ Banano swaps: Settle instantly, no custodial risk, with transparent on-chain settlement.
  • Realtime transaction feeds: Webhook and WebSocket endpoints push state changes in under a second.
  • Full node access—without the burden: Index any address, token, or block without maintaining your own servers.
  • Robust authentication: API keys, IP whitelisting, and signed payloads safeguard every request.
  • Unified integration stack: Build payment flows, trading bots, or analytics dashboards all on a single, consistent schema.

Use Cases: From Swaps to Scalable Apps

  1. Instant in-app swaps: Enable your users to swap Nano and Banano without ever leaving your platform. Our atomic swap endpoint provides a seamless, real-time experience with zero withdrawal delays or liquidity holds.
  2. Automated trading bots: Leverage the low-latency REST API to build high-frequency trading or market-making strategies. Event hooks allow you to react to price shifts and deep liquidity in real-time.
  3. Payments and checkout integrations: Accept either currency with confidence. Nanswap API verifies incoming payment blocks and can automatically settle to a preferred account or asset.
  4. Regulatory and analytics tooling: Receive continuous data on swaps and blockchain events for compliance and operational intelligence.

How Nanswap API Differs From Alternatives

Most APIs in crypto prioritize breadth over depth, or they force you to trust a centralized intermediary. Nanswap API, by contrast, is built for organizations where failure is not an option:

  • Transparency: Every transaction is verifiable on-chain. There is no hidden orderbook, no internalization of flow, and no dark routing.
  • Uncompromising speed: Unlike general-purpose crypto APIs that batch or queue requests, Nanswap API is architected for sub-second execution, even during network congestion.
  • User-centric privacy: We do not log personally identifiable information by default and offer fine-grained event filtering.
  • First-party support: Direct access to Nanswap's engineering team for integration questions and troubleshooting—no slow ticket escalations.

Integration Highlights

Whether you're shipping a new trading desk, building a payment experience, or spinning up analytics dashboards, the Nanswap API provides modular, self-documenting endpoints. For a deep dive, see our Nanswap widget or NanBTC mining integration guides.

  • REST & WebSocket: Choose stateless endpoints for ease, or stateful streams for lowest latency.
  • SDKs & Examples: Access open-source libraries for Python, JavaScript, and more—get to production faster.
  • Robust error reporting: Every response is timestamped and includes clear diagnostics for auditing and compliance.
  • Sandbox & Rate limits: Develop with no risk, and scale without hidden throttles. Every limit is documented and measured in real-time.

Security & Compliance: Enterprise-Grade by Design

Every Nanswap API endpoint is designed to resist sophisticated attacks, replay attempts, and abuse. All requests require signed headers and are encrypted in transit. Our infrastructure has passed penetration testing and adheres to best practices for both payment and privacy standards, making it viable for regulated institutions.

  • Multi-zone hosting: Redundant nodes across secure data centers reduce downtime risk.
  • Immutable audit logs: Every critical API call is recorded and visible to your organization—no data is ever mutable post-settlement.
  • Compliance readiness: Audit trails and data retention policies align with GDPR, CCPA, and major regulatory frameworks.

Getting Started

Requesting access is direct. Qualified developers, exchanges, and payment providers can obtain an API key and begin integrating within minutes. Get API Access today to join hundreds of apps and services that trust Nanswap for seamless Nano and Banano interoperability.

Frequently Asked Questions

How do I authenticate with the Nanswap API?
Access is secured via API keys that are linked to your organization. Each request must include your unique key in the Authorization header. For high-security use, signed requests and IP whitelisting are also supported. Documentation provides detailed examples for all supported authentication patterns.
The maximum volume per swap is dynamic, depending on current liquidity and network conditions. Most partners can process up to 25,000 Nano or Banano per atomic swap. For higher limits, apply for a custom integration tier.
Yes, Nanswap provides a fully isolated sandbox mode for development, with simulated Nano and Banano ledgers. All core API endpoints are available, and no real funds are required to test integration flows.
The average time for an on-chain Nano ⇄ Banano swap is under 700ms, and over 95% of transactions are finalized in less than 2 seconds, even during network spikes. All swap events are confirmed with block hashes and timestamps.
Absolutely. The API supports batch endpoints, and integrations using the streaming or webhook interfaces can automate hundreds of swaps per second with full traceability. This is ideal for arbitrage platforms and exchanges.

Ready to unlock seamless Nano & Banano integration?

Join over 180 projects that trust Nanswap API for mission-critical cross-chain swaps and blockchain access. Start building today—your first 50,000 API calls are free.

Claim API Access