Validate a smartcard π
Cable TV
Validate a smartcard π
Verify a customerβs smart card or IUC number before purchasing.
POST
Validate a smartcard π
Authorizations
Your business API key (live_key_...). Issued on approval; managed in Dashboard β Settings β Developer.
Base64(HMAC-SHA256(secretApiKey, input)) over the raw request body (POST) or canonicalized
query string (signed GET). Also send X-Numero-Signature-Version: v2. Required on
money-movement / state-changing endpoints (marked π).