NSE RFQ Web API
JSON over HTTPS Web API for the NSE Request-for-Quote (RFQ) platform for corporate bonds and debt securities. Documented in the "RFQ - Protocol for Web API" PDF published on the NSE trading protocols page: 41 operations across login/session, RFQ master, market watch, negotiation, deal, deal amendment, participant group, participant limit and portfolio limit, plus an optional participant-implemented callback API for RFQ notifications.