GoCreative Verify Gstin
India GSTIN validation + decode — validates a 15-char GST Identification Number with the official GSTN mod-36 check-digit algorithm, then decodes the 2-digit state code (to the state/UT name), the emb
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.gocreativeai.com/v1/verify/gstin/example", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://api.gocreativeai.com/ returned 200.
- Observed in 402-index
Discovered through self-registered.
- Registry record checked
Registry health: healthy.
EVIDENCE
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.