ForHosting KIT
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One Kit.
Hundreds of ready-made tasks — PDF, images, audio, OCR, text AI, scraping, data and more — behind a single REST API. Send a job, get a finished result by webhook. No servers, no per-model tokens, a price you can read.
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The full catalog
Search or filter by category. Every capability is its own endpoint with a published price.
⚙️ Developer UtilitiesFree
Cipolla modular square root
√a mod odd prime p
A
POST /numth/cipolla-algorithm$0.002⚙️ Developer UtilitiesFree
Fermat's little theorem checker
compute a^(n−1) mod n
S
POST /numth/fermat-little-check$0.002⚙️ Developer UtilitiesFree
Hensel lifting calculator
lift a polynomial root modulo p^k
B
POST /numth/hensel-lift$0.002⚙️ Developer UtilitiesFree
Modular division calculator
a ÷ b mod n via inverse
A
POST /numth/modular-division$0.002⚙️ Developer UtilitiesFree
Pisano period calculator
Fibonacci cycle length modulo m
K
POST /numth/pisano-period$0.002⚙️ Developer UtilitiesFree
Pocklington primality test
certify n from a partial factorization of n−1
S
POST /numth/pocklington-test$0.002⚙️ Developer UtilitiesFree
Difference of squares factorization
find a² − b² for odd n
B
POST /numth/difference-of-squares-factor$0.002⚙️ Developer UtilitiesFree
Euler-Jacobi pseudoprime checker
a^((n-1)/2) ≡ (a/n)
P
POST /numth/euler-pseudoprime-check$0.002⚙️ Developer UtilitiesFree
Integer nth root floor calculator
exact k-th root
K
POST /numth/integer-nth-root$0.002⚙️ Developer UtilitiesFree
Liouville function calculator
compute λ(n) from prime factors
B
POST /numth/liouville-function$0.002⚙️ Developer UtilitiesFree
Lucas primality test
verify a prime certificate
K
POST /numth/lucas-primality-test$0.002⚙️ Developer UtilitiesFree
Powerful part calculator
split n into powerful × squarefree
S
POST /numth/powerful-part$0.002⚙️ Developer UtilitiesFree
Prime factor count with multiplicity
big omega Ω(n)
A
POST /numth/prime-factor-multiplicity$0.002⚙️ Developer UtilitiesFree
Abundancy index calculator
sigma(n)/n exact fraction, free
P
POST /numth/abundancy-index$0.002⚙️ Developer UtilitiesFree
Aliquot sequence calculator
iterate proper-divisor sums
B
POST /numth/aliquot-sequence$0.002⚙️ Developer UtilitiesFree
Calkin–Wilf sequence term
n-th positive rational fraction
A
POST /numth/calkin-wilf-term$0.002⚙️ Developer UtilitiesFree
Continued fraction convergents
sequence of h/k from partial quotients
S
POST /numth/convergents-from-cf$0.002⚙️ Developer UtilitiesFree
Deficient number checker
compare the proper divisor sum with n
K
POST /numth/deficient-number-check$0.002⚙️ Developer UtilitiesFree
Pell equation solver
find the fundamental x and y
K
POST /numth/pell-equation-solver$0.002⚙️ Developer UtilitiesFree
Proper divisors list
all divisors of n excluding n itself
A
POST /numth/proper-divisors$0.002⚙️ Developer UtilitiesFree
Sum of totatives
n·φ(n)/2 for n>1, free calculator
S
POST /numth/sum-of-totatives$0.002⚙️ Developer UtilitiesFree
Engel Expansion Calculator for Positive Fractions
B
POST /numth/engel-expansion$0.002⚙️ Developer UtilitiesFree
Frobenius number for two coins
largest unmakeable amount
P
POST /numth/frobenius-number$0.002⚙️ Developer UtilitiesFree
Gaussian integer multiplication calculator
multiply a + bi
B
POST /numth/gaussian-integer-multiply$0.002⚙️ Developer UtilitiesFree
Odd parts partition count
distinct partition calculator
K
POST /numth/partitions-distinct-odd$0.002⚙️ Developer UtilitiesFree
Pythagorean triple generator
Euclid formula a=m²−n², b=2mn, c=m²+n²
S
POST /numth/pythagorean-triple-generator$0.002⚙️ Developer UtilitiesFree
Sum of two squares checker
is n = a² + b² by prime factors?
A
POST /numth/sum-two-squares-check$0.002⚙️ Developer UtilitiesFree
Taxicab number representations as sums of two positive cubes
K
POST /numth/taxicab-representations$0.002⚙️ Developer UtilitiesFree
Woodall number generator
n-th Woodall number n·2^n−1
A
POST /numth/woodall-number$0.002⚙️ Developer UtilitiesFree
Integer compositions count
number of ordered sums of n
P
POST /numth/compositions-count$0.002⚙️ Developer UtilitiesFree
Digitadition generators
find all m with m + digit sum = n
S
POST /numth/digitadition-generators$0.002⚙️ Developer UtilitiesFree
Moran number checker
test digit-sum prime quotients
B
POST /numth/moran-number$0.002⚙️ Developer UtilitiesFree
Pernicious number checker
test prime binary one count
K
POST /numth/pernicious-number$0.002⚙️ Developer UtilitiesFree
Prime quadruplet finder
list p, p+2, p+6, p+8 up to n
B
POST /numth/prime-quadruplet$0.002⚙️ Developer UtilitiesFree
Right-Truncatable Prime Checker
Test Every Trailing-Digit Cut
K
POST /numth/right-truncatable-prime$0.002⚙️ Developer UtilitiesFree
Strobogrammatic number checker
180° rotation reads the same
S
POST /numth/strobogrammatic-number$0.002⚙️ Developer UtilitiesFree
Wilson prime checker
does p² divide (p−1)!+1?
A
POST /numth/wilson-prime$0.002⚙️ Developer UtilitiesFree
Digit frequency counter
count decimal digits
B
POST /numth/digit-frequency$0.002⚙️ Developer UtilitiesFree
Product of digits calculator
multiply decimal digits
B
POST /numth/digit-product$0.002⚙️ Developer UtilitiesFree
Extravagant number checker
prime factorization digit count vs n
A
POST /numth/extravagant-number$0.002⚙️ Developer UtilitiesFree
Golomb sequence calculator
n-th term of the self-describing sequence
S
POST /numth/golomb-sequence$0.002⚙️ Developer UtilitiesFree
Gray code decoder
convert Gray binary to an integer
K
POST /numth/gray-code-decode$0.002⚙️ Developer UtilitiesFree
Palindrome bases finder
list bases where n is a palindrome
S
POST /numth/palindrome-bases-list$0.002⚙️ Developer UtilitiesFree
Super-prime checker
test primes whose index is also prime
P
POST /numth/super-prime$0.002⚙️ Developer UtilitiesFree
Ulam sequence calculator
first n Ulam numbers
A
POST /numth/ulam-sequence$0.002⚙️ Developer UtilitiesFree
Line intercept form calculator
find slope-intercept and standard forms
K
POST /algebra/line-from-intercepts$0.002⚙️ Developer UtilitiesFree
Discriminant and root type calculator
Δ and real roots, free
S
POST /algebra/quadratic-discriminant-type$0.002⚙️ Developer UtilitiesFree
Quadratic y-intercept calculator
find the parabola intercept
B
POST /algebra/quadratic-y-intercept$0.002⚙️ Developer UtilitiesFree
Standard form of a line calculator
Ax + By = C with integer coefficients
S
POST /algebra/standard-form-line$0.002⚙️ Developer UtilitiesFree
Height of a square pyramid
from base side and volume online
H
POST /math/height-of-a-square-pyramid$0.002⚙️ Developer UtilitiesFree
Height of a cone calculator
from volume and base radius
G
POST /math/height-of-cone$0.002⚙️ Developer UtilitiesFree
Legendre formula calculator
exponent of a prime in n!
K
POST /numth/legendre-formula$0.002⚙️ Developer UtilitiesFree
Reduced binary quadratic forms
list primitive forms by discriminant
B
POST /numth/reduced-binary-forms$0.002⚙️ Developer UtilitiesFree
Tetranacci number calculator
nth term, sum of the previous four
P
POST /numth/tetranacci$0.002⚙️ Developer UtilitiesFree
Absolute Value Greater-Than Inequality Solver
Interval Union
K
POST /algebra/absolute-value-inequality-greater$0.002⚙️ Developer UtilitiesFree
Augmented matrix solver
solve [A|b] for unique, infinite, or no solution
S
POST /algebra/augmented-matrix-solver$0.002⚙️ Developer UtilitiesFree
Cubic discriminant calculator
classify real roots
K
POST /algebra/cubic-discriminant$0.002⚙️ Developer UtilitiesFree
Descartes rule of signs calculator
positive and negative real roots
S
POST /algebra/descartes-rule-of-signs$0.002⚙️ Developer UtilitiesFree
Direct variation calculator
y = kx, find k and predict values
A
POST /algebra/direct-variation$0.002⚙️ Developer UtilitiesFree
Horner method calculator
evaluate polynomial coefficients
B
POST /algebra/horner-method$0.002No capabilities match your search.
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1
Get your key
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2
Call the endpoint
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3
Collect the result
Receive a signed webhook the moment it's ready, or fetch a signed link. A failed task is never charged.
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$0.002+
The full API — 7500+ capabilities — billed only for what you run, from $0.002 per call. No monthly fee.
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$10.00+
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