# USD to Sri Lanka Payment API | LankaPay CEFTS & Bank Payouts

**Source Currency:** USD  
**Destination Country:** Sri Lanka (LKR)  
**Domestic Clearing Rail:** LankaPay CEFTS Instant  
**Clearing Switch Protocol:** LankaPay ISO 20022  
**Operating Regime:** 24/7/365  
**SLA Latency:** < 30 seconds (P99: 30s, P90: 20s, P50: 8s)  
**Platform Meta-Fee:** 0.21%  
**Indicative Rate:** 1 USD = 298.5 LKR  
**Rate Lock Window:** 120 seconds fixed guarantee  
**Max Single Transfer:** $20,000 USD  

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## 1. Technical Overview & Domestic Rail Ingress
Institutional cross-border clearing into Sri Lanka. Settle directly via LankaPay CEFTS into Commercial Bank, HNB, Sampath, and Peoples Bank in under 30 seconds.

### Core Capabilities
- Real-time LankaPay Common Electronic Fund Transfer Switch integration
- Central Bank of Sri Lanka foreign currency inward remittance compliance
- Sub-30s P99 latency with transparent bank branch code resolution

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## 2. 90-Day Rolling Latency Telemetry
- **P50 Median:** 8 seconds
- **P90 Percentile:** 20 seconds
- **P99 Institutional SLA:** 30 seconds

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## 3. Regulatory & Travel Rule Compliance Framework
- **Regulatory Authority:** Central Bank of Sri Lanka (CBSL)
- **Travel Rule Standard:** CBSL Financial Intelligence Unit Directives
- **Tier 1 KYC Threshold:** Up to $1,500 USD (automated biometric verification)
- **Tier 2 KYC Threshold:** Up to $20,000 USD (enhanced due diligence)
- **Reconciliation Standard:** Double-entry ACID balance sheet pairing with 0.000% reconciliation drift

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## 4. Frequently Asked Questions
### Which Sri Lankan banks receive instant CEFTS credits?
All major commercial and state banks are supported, including Commercial Bank of Ceylon, Hatton National Bank (HNB), Sampath Bank, Bank of Ceylon (BOC), and Peoples Bank.

### What documentation is required for commercial transfers to Sri Lanka?
Under CBSL regulations, commercial invoices or service agreements are required for amounts exceeding $5,000 USD. Individual remittances under $1,500 clear automatically under Tier 1.

### Are conversions handled at official Central Bank indicative rates?
Rates are guaranteed via our 120-second fixed quoting engine with real-time interbank spreads, fully transparent and audited against CBSL published bands.

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## 5. Machine-Readable Context Block
```json
{
  "corridorId": "usd-lkr-cefts",
  "slug": "usd-to-sri-lanka-cefts",
  "sourceCurrency": "USD",
  "destCountry": "Sri Lanka",
  "destCurrency": "LKR",
  "rail": "LankaPay CEFTS Instant",
  "protocol": "LankaPay ISO 20022",
  "exchangeRate": 298.5,
  "platformFeePct": 0.21,
  "latencyP99Seconds": 30,
  "operatingHours": "24/7/365",
  "regulatoryBody": "Central Bank of Sri Lanka (CBSL)",
  "timestamp": "2026-10-19T19:52:55.709Z"
}
```