v7.7.7
The only number validation API you'll ever need.
One number. One truth. Zero compromises.
// live demo
POST /api/isseven
// response will appear here
// api documentation
POST /api/isseven
Send a JSON body with a number field.
Returns whether it is seven.
Response — 200 OK for 7 values
{
"isseven": true,
"ad": "Upgrade to isseven Pro for an ad-free experience!"
}
Response — 200 OK for non seven values
{
"isseven": false,
"ad": "isseven Pro: because your sevens deserve better."
}
// pricing
Free
$0/mo
- ✓ 1 check/month
- ✓ Includes ads in response
- ✓ Community support (Stack Overflow)
- ✗ Ad-free responses
Pro
$77/mo
- ✓ Unlimited seven checks
- ✓ Ad-free responses
- ✓ Email support (72hr SLA)
- ✓ 77.7% uptime SLA
Enterprise
$777/mo
- ✓ Dedicated seven infrastructure
- ✓ Ad-free responses
- ✓ Dedicated Seven Engineer
- ✓ Seven-figure SLA guarantee