# NSE Offer For Sale (OFS) Web API

**Canonical:** https://apis.io/apis/national-stock-exchange-of-india/nse-offer-for-sale-ofs-web-api/  
**Provider:** National Stock Exchange of India — https://apis.io/providers/national-stock-exchange-of-india/  
**Base URL:** https://eofs.nseindia.com/api/  
**Documentation:** https://www.nseindia.com/static/trade/platform-services-neat-trading-system-protocols

NSE Offer For Sale (OFS) Web API is one of 3 APIs that [National Stock Exchange of India](https://apis.io/providers/national-stock-exchange-of-india/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Offer For Sale, Order, and Equities. The published artifact set on APIs.io includes API documentation.

JSON over HTTPS Web API for the NSE Offer-For-Sale platform, used by members to place, modify, cancel and query OFS orders and to stream market messages. Bearer access-token authentication with a refresh-token endpoint; includes a server-sent message stream (GET /messaging/message-stream). Documented in the "OFS-WEB API" PDF on the NSE trading protocols page.

## Machine-readable artifacts (1)

- **Documentation** — https://nsearchives.nseindia.com/web/mediaattachment/2026-05/OFS-WEB_API_Ver1.3.4_20260519122437.pdf

## Other National Stock Exchange of India APIs (2)

- [NSE RFQ Web API](https://apis.io/apis/national-stock-exchange-of-india/nse-rfq-web-api/)
- [NSE CBRICS Web API](https://apis.io/apis/national-stock-exchange-of-india/nse-cbrics-web-api/)

## Tags

Offer For Sale, Order, Equities

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/national-stock-exchange-of-india/nse-offer-for-sale-ofs-web-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/national-stock-exchange-of-india/.