Starting with JSON body because this is the way that most API documentation will give you the payload examples.
body = '{
"filters": {
"keywords": ["money","government"],
"award_type_codes": [
"A",
"B",
"C",
"D"
]
},
"fields": [
"Award ID",
"Mod",
"Recipient Name",
"Action Date",
"Transaction Amount",
"Awarding Agency",
"Awarding Sub Agency",
"Award Type"
],
"page": 1,
"limit": 35,
"sort": "Transaction Amount",
"order": "desc"
}'
library(httr)
Send the body as a JSON string.
POST("https://api.usaspending.gov//api/v2/search/spending_by_transaction/", content_type_json(), body = body)
Send the body as a JSON encoded list.
POST("https://api.usaspending.gov//api/v2/search/spending_by_transaction/", body = body_list, encode = "json")