Side by side

2Factor.in OTP API vs Bird Verify

Both stand on phone verification software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

2Factor.in OTP API

Free plan Web

Choose 2Factor.in OTP API if a web based OTP service with a free sandbox, REST API, and SDKs fits your evaluation or implementation needs. Teams needing messaging credits can consider Growth at ₹4,999 per month; teams that need unlimited seats can consider Enterprise.

Visit 2Factor.in OTP API

Bird Verify

Free plan APIWeb

Bird Verify offers several code-delivery channels and controls for verification sessions and workspaces. Account for message charges and country-specific channel availability when planning its use.

Visit Bird Verify

The facts

	2Factor.in OTP API	Bird Verify
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	API, Web
Lowest paid plan	Growth: ₹4,999 a month	Free or on request
Plans published	3	1
Maker	Not published	Not published
Website	2factor.in	bird.com
On phone verification software	#5 of 24	#1 of 24

2Factor.in OTP API: what it does well

Free Starter plan includes test credits and sandbox access across all channels.
REST API and SDKs are included in Starter.
Starter includes email support and basic analytics.
Growth includes ₹5,000 in messaging credits and five team seats.
Enterprise includes unlimited seats.

What to know first

Starter provides test credits rather than a stated messaging credit allowance.
Growth costs ₹4,999 per month.
Growth includes five team seats.

Bird Verify: what it does well

Supports SMS, email, and WhatsApp verification.
Fallback can preserve verification and expiry.
Five code checks are allowed by default.
Workspace features include roles and audit logs.

What to know first

Channel message charges apply.
Voice OTP is still rolling out.
Phone numbers must use international format.
Channel availability can vary by country.

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