What are the free SMS verification code platforms?

First, the free SMS verification platform mob:

1 200 free SMS every day for the application in the testing stage.

2. Send 10000 free text messages every day after registration review.

35 cents more than one. It is unknown when the gift-giving activity will end, but the default message is to display the signature of Palm Amoy Technology. If you want to change your signature to the name of your company or APP, you need to apply and submit your qualifications, and you will not give away the number of free articles. In other words, if you want to change your signature, the SMS verification code will be charged 5 points/piece.

Second, CIA's easy authentication is permanent and free, and APP products can be directly integrated with CIA-SDK, and the authentication principle is different from SMS authentication. The CIA uses signaling interactive authentication, which is verified through telecommunication network and Internet.

1. verification code generation: when a mobile phone number needs to be verified, the verification platform will automatically generate a verification code;

2. Send verification code: the verification platform will send verification code through two channels: one is to send verification code to the verification SDK; Through internet channels; The other is to send the verification code to the verified target mobile phone through the telephone signaling channel, and the verification code is obtained by the verified SDK and then compared.

3. Verification code comparison: if the verification SDK can receive two identical verification codes, the verification is passed; Otherwise, the verification fails.

CIA authentication has excellent performance in verification stability and concurrency, and is recommended. This is how my product was verified.