AstraNL Dutch counterparty check

{'type': 'object', 'properties': {'city': {'type': 'string', 'maxLength': 80, 'description': 'not used; kept for compatibility, AstraNL does not search the register by name'}, 'purpose': {'type': 'string', 'maxLength': 200, 'description': 'optional: the next action you are about to take, for example approve supplier or pay invoice'}, 'kvk_number': {'type': 'string', 'maxLength': 12, 'description': 'Dutch KvK number, 8 digits, as printed on the invoice, quote or website'}, 'vat_number': {'type': 'string', 'maxLength': 20, 'description': 'EU VAT number with country prefix, for example NL810433941B01'}, 'company_name': {'type': 'string', 'maxLength': 200, 'description': 'the company name exactly as your document or contact states it'}}, 'minProperties': 1, 'additionalProperties': False}

{'type': 'object', 'required': ['check_id'], 'properties': {'check_id': {'type': 'string', 'maxLength': 40, 'description': 'the check_id returned by check_counterparty_nl, ASTRA-K- and 16 characters'}}, 'additionalProperties': False}

{'type': 'object', 'required': ['ref'], 'properties': {'ref': {'type': 'string', 'maxLength': 64, 'minLength': 4, 'description': 'Any AstraNL reference: action receipt ASTRA-A-..., policy receipt ASTRA-R-..., consumption ASTRA-C-..., log event alk_..., attestation att_/atr_..., ingress receipt RCPT-n'}}, 'additionalProperties': False}