Infinn API Documentation
Market Info

Get Option Chain

POST/NorenWClientAPI/GetOptionChain

Authorization token is required. Enter your access_token from GenAcsTok above.

"Use proxy" sends this request through this website's server, which never logs request or response bodies. Infinn sees the docs server's IP, not yours. Turn it off to send directly from your browser instead.

jData fields

Values are sent as a JSON string in the jData form field.

Logged in User Id

  • Example: YOUR_USER_ID
  • Where to get it: The ID you log in with at trade.infinn.in (User ID = Client ID). Also returned as uid by GenAcsTok.

Trading symbol of any of the option or future. Option chainfor that underlying will be returned. (use url encoding to avoid special char error for symbols like M&M)

  • Example: RELIANCE-EQ
  • Where to get it: SearchScrip reply, or the TradingSymbol column of the exchange symbol file.

Exchange (UI need to check if exchange in NFO / CDS /MCX / or any other exchange which has options, if not don't allow)

  • Example: NSE
  • Where to get it: 'exarr' array in the UserDetails response.
  • Allowed: NSE, NFO, BSE, MCX, CDS, NCX, BFO, BCD

Mid price for option chain selection

Number of strike to return on one side of the mid price for PUT and CALL. (example cnt is 4, total 16 contracts will be returned, if cnt is is 5 total 20 contract will be returned)

Authorization Token

Required for all API calls. Use the access_token from the GenAcsTok response as a Bearer token.

⚠ When "Use proxy" is on, this token is sent through this website's server on its way to Infinn. It is never logged here, but if you would rather it never leave your browser, turn off "Use proxy" above or use the ready code with your own client instead.

Request to be POSTed to url : /NorenWClientAPI/GetOptionChain

Request Details
Parameter NamePossible valueDescription
jData*Should send json object with fields in below list
Authorization*Bearer <access_token>access_token from GenAcsTok response. Required for all API calls.
Json Fields Possible value Description
uid* Logged in User Id
tsym* Trading symbol of any of the option or future. Option chainfor that underlying will be returned. (use url encoding to avoid special char error for symbols like M&M)
exch* Exchange (UI need to check if exchange in NFO / CDS /MCX / or any other exchange which has options, if not don't allow)
strprc* Mid price for option chain selection
cnt* Number of strike to return on one side of the mid price for PUT and CALL. (example cnt is 4, total 16 contracts will be returned, if cnt is is 5 total 20 contract will be returned)
Response Details

Response data will be in json format with below fields:

Json Fields Possible value Description
stat Ok or Not_Ok Market watch success or failure indication.
values Array of json objects. (object fields given in below table)
emsg This will be present only in case of errors.
That is :
  1. Invalid Input
  2. Session Expired
Json Fields of object in values Array Possible value Description
exch CDS, NFO ... Exchange
tsym Trading symbol of the scrip (contract)
token Token of the scrip (contract)
optt Option Type
strprc Strike price
pp Price precision
ti Tick size
ls Lot size
curl --request POST \
  --url 'https://api.infinn.in/NorenWClientAPI/GetOptionChain' \
  --header 'Authorization: Bearer PASTE_ACCESS_TOKEN_HERE' \
  --header 'Content-Type: text/plain' \
  --data 'jData={"uid":"YOUR_USER_ID","tsym":"RELIANCE-EQ","exch":"NSE","strprc":"","cnt":""}'
Response will appear here after sending a request