# OTP Bolt > OTPs at the speed of lightning. OTP Bolt (otpbolt.com) rents temporary phone numbers in 200+ countries so developers, QA teams and privacy-minded people can receive SMS one-time passwords (OTP) online, and sells dedicated US/Canada virtual numbers with an SMS inbox and browser calling. ## Key facts - Instant OTP: pick an app + country, rent a number, read the code in a live inbox; automatic refund if no SMS arrives. - Prices: OTP codes from $0.15; developer plans Volt $9/30 days, Surge $24/30 days, Storm $199/year (lower per-code prices + higher API limits). - Dedicated numbers (US/CA): $3.50/week, $6.50/month, $17/3 months, $30/6 months, $54/12 months; auto-renew from wallet. - Calls: browser (WebRTC) calling, US/CA outbound from $0.03/min, inbound $0.02/min. - Payments: USD wallet; card via Stripe (3-D Secure) or USDT/USDC on Tron, Polygon, BNB Chain, Base, Solana (send the exact amount shown). - REST API: Bearer ob_live_ keys; POST /api/v1/activations, GET /api/v1/activations/{id}, cancel/retry/finish; GET /api/v1/numbers/{id}/messages. - Policy: for testing, privacy and legitimate signups only; no fraud or ban evasion. ## Main pages - [Instant OTP](https://otpbolt.com/instant-otp) - [Dedicated virtual numbers](https://otpbolt.com/virtual-numbers) - [Pricing](https://otpbolt.com/pricing) - [Developer API](https://otpbolt.com/developers) - [FAQ](https://otpbolt.com/faq) ## Guides - [Protecting Your Privacy Online with a Second Phone Number](https://otpbolt.com/blog/protect-privacy-second-number): Why your personal number is a tracking identifier, when a temporary or dedicated second number makes sense, and the accounts that should always stay on your own SIM. - [OTP Verification Across the UK and EU: Formats, GDPR and Best Practice](https://otpbolt.com/blog/uk-europe-otp-guide): Mobile formats from +44 to +48, how PSD2 shapes SMS codes, what GDPR means for phone numbers, and how to test European signup flows efficiently. - [US Phone Verification Guide: +1 Numbers, Short Codes, 10DLC and Carrier Filtering](https://otpbolt.com/blog/us-phone-verification-guide): Everything that affects OTP delivery in the United States — number types, 10DLC registration, toll-free verification, short codes and how to test +1 signup flows. - [Receiving OTPs for Indian Apps: +91 Numbers, DLT and What Developers Should Know](https://otpbolt.com/blog/india-otp-guide): How SMS verification works in India — number formats, TRAI's DLT rules for senders, delivery quirks and how to test Indian signup flows with +91 numbers. - [End-to-End Testing SMS Verification in CI with Playwright and OTP Bolt](https://otpbolt.com/blog/sms-verification-in-ci): Wire a real SMS verification step into your Playwright suite — rent a number, fill it in, wait for the code, and keep CI fast, cheap and deterministic. - [Testing WhatsApp Business API Onboarding with Real Numbers](https://otpbolt.com/blog/testing-whatsapp-business-onboarding): A practical guide for teams building on the WhatsApp Business Platform — how to test number registration, Embedded Signup and verification codes without risking production numbers. - [Why Some OTPs Arrive in 3 Seconds and Others Never: SMS Delivery Explained](https://otpbolt.com/blog/why-otp-sms-is-delayed): A behind-the-scenes look at how verification SMS travel from an app to a phone — aggregators, routes, carrier filtering — and what you can do when codes are late. - [Temporary vs Dedicated Virtual Numbers: Which One Do You Need?](https://otpbolt.com/blog/temporary-vs-dedicated-virtual-numbers): Single-use OTP numbers and dedicated virtual numbers solve different problems. Compare cost, lifetime, features and the right use cases for each. - [SMS Pumping and OTP Fraud: How to Protect Your Signup Flow](https://otpbolt.com/blog/sms-pumping-otp-fraud): What SMS pumping (artificially inflated traffic) is, how attackers profit from your OTP endpoint, and the layered controls that stop it without hurting real users. - [Fetching OTPs Programmatically: A Developer's Guide to the OTP Bolt API](https://otpbolt.com/blog/developer-otp-api-guide): Authenticate, rent a temporary number, poll for the code, handle refunds and errors — with copy-paste examples in curl, Python and Node.js. - [Temporary Phone Numbers for App Testing: A QA Playbook](https://otpbolt.com/blog/temporary-numbers-for-app-testing): How QA engineers and developers use temporary numbers to test SMS verification realistically — test-plan structure, country coverage, edge cases and cost control. - [OTP Verification Explained: How One-Time Passwords Actually Work](https://otpbolt.com/blog/otp-verification-explained): A clear, developer-friendly look at SMS OTPs, HOTP and TOTP — how codes are generated, delivered, validated, and where each method fits in 2026. ## Services - [WhatsApp OTP](https://otpbolt.com/otp/whatsapp) - [Telegram OTP](https://otpbolt.com/otp/telegram) - [Google & Gmail OTP](https://otpbolt.com/otp/google) - [OpenAI / ChatGPT OTP](https://otpbolt.com/otp/openai) - [TikTok OTP](https://otpbolt.com/otp/tiktok) - [Facebook / Meta OTP](https://otpbolt.com/otp/facebook) - [Instagram OTP](https://otpbolt.com/otp/instagram) - [Discord OTP](https://otpbolt.com/otp/discord) - [X (Twitter) OTP](https://otpbolt.com/otp/x-twitter) - [Microsoft OTP](https://otpbolt.com/otp/microsoft) - [Amazon OTP](https://otpbolt.com/otp/amazon) - [Uber OTP](https://otpbolt.com/otp/uber) - [Signal OTP](https://otpbolt.com/otp/signal) - [LinkedIn OTP](https://otpbolt.com/otp/linkedin) - [Snapchat OTP](https://otpbolt.com/otp/snapchat) - [Tinder OTP](https://otpbolt.com/otp/tinder) - [PayPal OTP](https://otpbolt.com/otp/paypal) - [Binance OTP](https://otpbolt.com/otp/binance) - [Coinbase OTP](https://otpbolt.com/otp/coinbase) - [Netflix OTP](https://otpbolt.com/otp/netflix) - [Viber OTP](https://otpbolt.com/otp/viber) - [WeChat OTP](https://otpbolt.com/otp/wechat) - [Yahoo OTP](https://otpbolt.com/otp/yahoo) - [Steam OTP](https://otpbolt.com/otp/steam) - [Airbnb OTP](https://otpbolt.com/otp/airbnb) - [Shopee OTP](https://otpbolt.com/otp/shopee) ## Countries - [United States (+1)](https://otpbolt.com/countries/united-states) - [Canada (+1)](https://otpbolt.com/countries/canada) - [United Kingdom (+44)](https://otpbolt.com/countries/united-kingdom) - [Germany (+49)](https://otpbolt.com/countries/germany) - [France (+33)](https://otpbolt.com/countries/france) - [Netherlands (+31)](https://otpbolt.com/countries/netherlands) - [Spain (+34)](https://otpbolt.com/countries/spain) - [Italy (+39)](https://otpbolt.com/countries/italy) - [Poland (+48)](https://otpbolt.com/countries/poland) - [Portugal (+351)](https://otpbolt.com/countries/portugal) - [Sweden (+46)](https://otpbolt.com/countries/sweden) - [Romania (+40)](https://otpbolt.com/countries/romania) - [Ukraine (+380)](https://otpbolt.com/countries/ukraine) - [Türkiye (+90)](https://otpbolt.com/countries/turkey) - [India (+91)](https://otpbolt.com/countries/india) - [Pakistan (+92)](https://otpbolt.com/countries/pakistan) - [Bangladesh (+880)](https://otpbolt.com/countries/bangladesh) - [Sri Lanka (+94)](https://otpbolt.com/countries/sri-lanka) - [Nepal (+977)](https://otpbolt.com/countries/nepal) - [Indonesia (+62)](https://otpbolt.com/countries/indonesia) - [Philippines (+63)](https://otpbolt.com/countries/philippines) - [Vietnam (+84)](https://otpbolt.com/countries/vietnam) - [Thailand (+66)](https://otpbolt.com/countries/thailand) - [Malaysia (+60)](https://otpbolt.com/countries/malaysia) - [Singapore (+65)](https://otpbolt.com/countries/singapore) - [Cambodia (+855)](https://otpbolt.com/countries/cambodia) - [Kazakhstan (+7)](https://otpbolt.com/countries/kazakhstan) - [Uzbekistan (+998)](https://otpbolt.com/countries/uzbekistan) - [United Arab Emirates (+971)](https://otpbolt.com/countries/united-arab-emirates) - [Saudi Arabia (+966)](https://otpbolt.com/countries/saudi-arabia) - [Egypt (+20)](https://otpbolt.com/countries/egypt) - [Israel (+972)](https://otpbolt.com/countries/israel) - [Nigeria (+234)](https://otpbolt.com/countries/nigeria) - [Kenya (+254)](https://otpbolt.com/countries/kenya) - [South Africa (+27)](https://otpbolt.com/countries/south-africa) - [Ghana (+233)](https://otpbolt.com/countries/ghana) - [Morocco (+212)](https://otpbolt.com/countries/morocco) - [Brazil (+55)](https://otpbolt.com/countries/brazil) - [Mexico (+52)](https://otpbolt.com/countries/mexico) - [Argentina (+54)](https://otpbolt.com/countries/argentina) - [Colombia (+57)](https://otpbolt.com/countries/colombia) - [Chile (+56)](https://otpbolt.com/countries/chile) - [Peru (+51)](https://otpbolt.com/countries/peru) - [Australia (+61)](https://otpbolt.com/countries/australia) - [Japan (+81)](https://otpbolt.com/countries/japan) - [South Korea (+82)](https://otpbolt.com/countries/south-korea) Full text: https://otpbolt.com/llms-full.txt Contact: support@otpbolt.com