Reading an arithmetic sample end to end
2026-03-17 · Arithmetic captchas
14 + 9 comes back as text 23, expression 14+9, engine math, and reliable true when the image is clean.
A clean sample is the right first call. You confirm auth, base64, and the flag. You do not learn your portal's font from it.
The curl in the quickstart is enough. Set math to true and leave hindi out. Print text and stop.
Then point the same code at one real image. If reliable is true and the portal accepts it, you are done with the integration. If the portal rejects it, log the id and decide whether the session died or the reading did.
The SDK examples in each language do this same call. Pick the language you ship and follow that page rather than translating the curl by hand.
Ready to call it? Start with the quickstart, the API guide, or pricing.