Guides, product updates, and deep dives on OTP verification across SMS, WhatsApp, Telegram, and Email, from the team behind otp.com.https://otp.comhttps://otp.com/blog/guides/designing-the-otp-entry-screenhttps://otp.com/blog/guides/designing-the-otp-entry-screenThe message is only half the job. Here is how to design the OTP entry screen: input field, autofill, paste, resend timers, and error states that convert.Thu, 16 Jul 2026 00:00:00 GMTuxhttps://otp.com/blog/engineering/generating-sdks-from-openapihttps://otp.com/blog/engineering/generating-sdks-from-openapiWhy the otp.com client libraries for Node, Python, Go, and PHP are generated from one OpenAPI spec instead of written by hand, and how that stops drift.Thu, 16 Jul 2026 00:00:00 GMTsdksdeveloper-experiencehttps://otp.com/blog/guides/otp-vs-passwords-magic-links-passkeyshttps://otp.com/blog/guides/otp-vs-passwords-magic-links-passkeysOTP is one tool among passwords, magic links, authenticator apps, and passkeys. Here is what each one proves, and when a delivered code is the right call.Thu, 16 Jul 2026 00:00:00 GMTsecurityhttps://otp.com/blog/engineering/rest-sdk-or-mcp-choosing-your-otp-integrationhttps://otp.com/blog/engineering/rest-sdk-or-mcp-choosing-your-otp-integrationThree ways to call the same OTP API: the raw REST endpoints, a generated SDK, or the MCP server for AI agents, and when each one is the right fit.Wed, 15 Jul 2026 00:00:00 GMTsdksmcpdeveloper-experiencehttps://otp.com/blog/engineering/otp-verification-in-an-ai-agent-with-mcphttps://otp.com/blog/engineering/otp-verification-in-an-ai-agent-with-mcpPoint any MCP client at the otp.com server and your AI agent can send, verify, resend, and check one-time passwords using only your API key.Tue, 14 Jul 2026 00:00:00 GMTmcpaihttps://otp.com/blog/guides/choosing-an-otp-channelhttps://otp.com/blog/guides/choosing-an-otp-channelA practical guide to choosing between SMS, WhatsApp, Telegram, and email for one-time passcodes, comparing reach, latency, and fallback strategy.Thu, 11 Jun 2026 00:00:00 GMTchannelsdeliverability