library(httr2)

# Read the list of covered funds (one GET, no key), naming your own project;
# simplifyVector turns the list of funds into a data frame
doc <- request("https://tickerinside.com/api/v1/funds.json") |>
  req_user_agent("MyProject/1.0 (+https://example.com)") |>
  req_perform() |>
  resp_body_json(simplifyVector = TRUE)

# funds: read from their issuers' own files, with the date of the data
writeLines(paste(doc$count, "funds from issuer files, as_of", doc$as_of))
# sec_funds: more US stock ETFs, from SEC filings, t and n as in funds
writeLines(paste(doc$sec_count, "more from SEC filings, listed in sec_funds"))

# One row per fund: t is the ticker, n the name
writeLines(paste(doc$funds$t, doc$funds$n))