API & Integrations
REST API reference, official SDKs for Node, Python, PHP, Go, and Java, signed webhook delivery, sandbox test mode, Shopify app, and Zapier integration guides.
6 articles
Authenticating API requests
Generate live or sandbox API keys from the Developers section, store them securely in your secrets manager, and pass them as Bearer tokens on every API request.
3 min readUpdated 27 Mar 2026How webhooks are signed and verified
Every SMSLocal webhook includes an HMAC-SHA256 signature and timestamp. Reject requests older than 5 minutes and verify the signature before trusting any incoming payload.
4 min readUpdated 28 Mar 2026Official SDKs
Open-source SDKs for Node, Python, PHP, Ruby, Go, Java, and .NET — all versioned in lockstep with the REST API and bundled with retry logic and typed responses.
2 min readUpdated 29 Mar 2026Sandbox mode
Test the full API surface using sandbox keys and free test credits. Deterministic test numbers return predictable outcomes, and webhooks fire identically to live production.
3 min readUpdated 30 Mar 2026Rate limits and throughput
Default limit is 1,000 requests per minute, burst to 5,000. Enterprise plans start at 10,000 per minute with custom capacity reservations for peak-traffic events.
2 min readUpdated 31 Mar 2026Shopify integration
Abandoned-cart, order confirmation, shipment tracking, and review-request flows in a single app install.
4 min readUpdated 01 Apr 2026
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Getting started
Create your SMSLocal account, add INR credits to your wallet, complete DLT registration, and send your first compliant SMS, WhatsApp, or OTP in under fifteen minutes.
SMS campaigns
SMS content templates, DLT routing, sender ID setup, delivery report statuses, bulk campaign scheduling, throttle controls, and automatic retry logic for India.
WhatsApp Business API
Complete guide to WhatsApp Business API — onboarding, Meta template approval, chatbot flow setup, shared team inbox, quality rating management, and conversation analytics.
AI WhatsApp Agents
Train your AI WhatsApp agent on your own knowledge, sync your product catalogue, configure handoff triggers, and serve customers across twelve Indian languages.
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