Below you'll find a detailed visual explanation of what each price plan has to offer, from calls per day to support options availability. The table works from left to right, starting with the Free plan, and finishing with Expert.

API Plan Name Free Maths is Fun Scientist Expert
Price / month $0.00 $7.99 $19.99 $29.99
Summary Ideal for Maths Enthusiasts or for an opportunity to test drive the system for free Ideal for Maths Enthusiasts and Educators alike. Ideal for Big Data, Machine Learning, Artificial Intelligence, Robotics and Internet of Things Scientists as well as for Web and App Developers. Ideal for System Administrators and Security Experts.
FREE API Key refresh Automatically, 1st of every month When you need it When you need it When you need it
Max calls limits
Maximum calls per day 100 1 000 3 000 5 000
Maximum calls per second 1 3 5 10
API Endpoints Available
get-random-prime included included included included
is-this-number-prime included included included included
prospect-primes-between-two-numbers x included included included
get-all-primes-between-two-numbers x x included included
get-isolated-random-prime x x x included
Support availability
Help Centre included included included included
Support Tickets x included included included