Custom API Services
Built for Business
Power your products with fast, reliable, secure APIs — Mobile Recharge, Vehicle Verification, UPI Validation, Fuel Prices, Weather, and more. One platform. One key. Ten APIs.
Every API Your Business Needs — One Platform
Ten production-ready APIs. One API key. Free tier of 1,000 calls to start.
Automate prepaid mobile & DTH recharges across all Indian operators. Real-time processing, auto operator detection, webhook callbacks.
Instant vehicle registration verification — owner details, insurance status, registration state. For insurance, logistics, and used-car platforms.
Validate UPI IDs and bank accounts via penny drop. Beneficiary name match, account status check. Essential for lending and payments.
Detect operator & circle for any Indian mobile number. MNP support, bulk lookup. For OTP routing, recharge, and telecom analytics.
Live petrol, diesel & CNG prices by city across India. Daily updates, historical data. For logistics, fleet, and expense management.
Live gold (22K/24K), silver, diamond & platinum rates localised for India. City-wise variations, historical trends.
Real-time conditions, hourly forecasts, 7-day outlooks for any Indian location. Temperature, humidity, wind, rainfall, UV index.
Real-time AQI for cities across India. PM2.5, PM10, NO2, SO2 levels. Health category classification. For smart cities and healthcare.
Aadhaar OTP, PAN, driving licence, voter ID verification. Automate KYC, reduce onboarding time by 80%, eliminate document fraud.
Built for Businesses That Cannot Afford Downtime
Choosing an API provider is a production decision. Here's what makes API Express different.
Backed by redundant servers, automated failover, and continuous health monitoring. A contractual commitment, not a marketing claim.
Purpose-built for low latency. Fast responses even during peak traffic — critical for real-time user-facing features.
TLS 1.3 encryption, API key auth, IP whitelisting, and Indian data residency. Every request is authenticated and logged.
Real people via email, WhatsApp, and phone. Average first response under 4 business hours. Enterprise gets a named contact.
From 100 calls a day to 10 million a month — the platform scales with your traffic automatically. No provisioning needed.
No hidden fees, no minimum commits, no surprise invoices. Volume discounts apply automatically as usage grows.
APIs Built for Every Indian Industry
Our API integration solutions are deployed across India's fastest-growing sectors.
KYC automation, UPI validation, bank verification, fraud detection for lending, payments, and onboarding flows.
Driver and vehicle verification, real-time fuel prices, weather intelligence for route planning and cost calculation.
Instant vehicle RC verification, owner identity checks, document authentication for policy issuance and claims.
Operator detection, mobile & DTH recharge automation, OTP routing optimisation for telecom platforms.
Real-time gold, silver, diamond, and platinum pricing for retail platforms, investment apps, and trading tools.
Live weather forecasts and AQI data for agri-tech, urban monitoring dashboards, and environmental applications.
Frequently Asked Questions
Everything you need to know about API Express.
API Express is a B2B API service provider based in India offering 10+ custom API services including Mobile Recharge, Vehicle RC Verification, UPI & Bank Verification, Fuel Price, Weather, Air Quality, Telecom Operator, and Commodity Price APIs. All APIs are accessible through a single key with a free tier of 1,000 calls.
Most developers complete their first API integration within one business day. All APIs follow standard REST architecture with JSON responses, comprehensive documentation, code samples in Node.js, Python, and PHP, plus a sandbox environment for testing.
API Express maintains a 99.9% uptime SLA across all API endpoints, backed by redundant infrastructure within Indian data centres with continuous health monitoring and automated failover. We publish real-time uptime data on our public status page.
Yes. Your first 1,000 API calls are completely free with no credit card required. The free tier covers all 10 APIs in our catalogue so you can test any integration before committing.
Yes. In addition to our standard catalogue, we build fully custom API solutions for businesses with specific requirements. Share your use case and our team will scope and deliver a custom solution within the same SLA as our standard APIs. We respond within 4 business hours.
API Express offers pay-as-you-go pricing with no minimum commitment, plus monthly subscription plans with volume discounts and custom enterprise pricing for high-volume clients. Your first 1,000 API calls are free. See our pricing page for details.
Start Integrating in Minutes —
Your First 1,000 API Calls Are Free
Join 500+ Indian businesses already using API Express. No credit card required. No lock-in contracts. Just fast, reliable APIs.