Just to ensure you are correctly calling the API, may refer below:
/v0.5/links/link/add-contexts:
curl --location --request POST ‘https://dev.ndhm.gov.in/gateway/v0.5/links/link/add-contexts’
–header ‘X-CM-ID: sbx’
–header ‘Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJBbFJiNVdDbThUbTlFSl9JZk85ejA2ajlvQ3Y1MXBLS0ZrbkdiX1RCdkswIn0.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.OrAbUc3cQZ9xa10mMygUzJ_KTbhA0tv6ZfjhXFyQW8_dIGdbxayZpo7MK80-qLkbhXh_10j_YkV7ODwtGi22Z6AZFFvapbHX1Ilk_Og_Qbe7x6VhqlsrsyYnPrbu2h0WT4G3QWR99VIZWZn7mWxkwH1a7Z3BZn3_0kzMgYiYO4HvHHKXi3bGMnyyjiaNl5j745ppBlEzHWdrf795CpefzjYnawOcOU6BKnnxdVHR212mV5KoNEWImx7dOw-xiNIxobMnAZy2jh65oXewmfv2n5znxM9bqsfXvsToNMZbBKbUlhFVOJHjHMbqvrFTzJ8knwKG9vmsa62hf4n0OFwXqw’
–header ‘Content-Type: application/json’
–header ‘Cookie: TS01960242=01445fed04b588ff87c8dc3bc9727210a20d1086e92d267b14316b4295c9c11ad6cc8b2de2c56c42324541871a7215447c49e1fd29’
–data-raw ‘{
“requestId”: “e734b9fb-b674-4fa1-b268-aaf8cdf455a6”,
“timestamp”: “2022-11-28T11:17:21.578000”,
“link”: {
“accessToken”: “eyJhbGciOiJSUzUxMiJ9.eyJzdWIiOiJnZGVzaG11a2hAc2J4IiwicmVxdWVzdGVyVHlwZSI6IkhJUCIsInJlcXVlc3RlcklkIjoiR05ELUhJUCIsInBhdGllbnRJZCI6ImdkZXNobXVraEBzYngiLCJzZXNzaW9uSWQiOiJmMzE3NjViOC01NTkxLTQ5NmYtODkwZi0wODA2YTkxYjk0M2EiLCJleHAiOjE2Njk3MjA1ODgsImlhdCI6MTY2OTYzNDE4OH0.WGDqrQFmYI88Mk0n96phlBceiY4yyfZTMa1Jkk9xn3ulFT_PIU8jWZLMVDY1pf0t9TXR_Hy9dXdO0cNVY7-wUoeg0Jz9Iam1YaEY-clPns7eDz6KlkTzUBB_nP8rpKWvXfX-NwGeqad2q3w3j8seAFWQBBidEh-Vr4ivJOsa_U6IBNiYcklDalTAaauPmJzchWV80wLMqq1RIcMBOJkeNT6hILdEbK2MIPe32Qi5WZpoBF55OP4icbYE9Vi70A3BJPqZf60cWeNskZiiA8QWg07p2gAMoyBGYdN3d_O7gj1a-ApeJQoat-nsoOd-wcyY7UehhI_dFMLj0h28rmxARw”,
“patient”: {
“referenceNumber”: “TMH-PUID-101”,
“display”: “Common Cold”,
“careContexts”: [
{
“referenceNumber”: “Common Cold”,
“display”: “Prescribed Paracetamol”
}
]
}
}
}’
/v0.5/links/link/on-add-contexts:
{
“requestId”: “9fe5c08e-9fa9-4de4-a212-947fa525975c”,
“timestamp”: “2022-11-28T11:17:22.958493”,
“acknowledgement”: {
“status”: “SUCCESS”
},
“error”: null,
“resp”: {
“requestId”: “574b9da5-7a5d-4ccb-aec8-119cf9cb4e14”
}
}