It can be anything! An apex, subdomain, or even a URL.

Results forapi.bitswap.network

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-05-01T01:27:21.471	2022-05-01T00:00:00	2023-05-01T23:59:59	sni.cloudflaressl.com	*.bitswap.network	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2021-06-01T20:36:58.685	2021-06-01T00:00:00	2022-05-31T23:59:59	sni.cloudflaressl.com	*.bitswap.network	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2021-04-29T03:30:36.821	2021-04-29T02:30:36	2021-07-28T02:30:36	api.bitswap.network	api.bitswap.network	C=US, O=Let's Encrypt, CN=R3
2021-04-29T03:30:36.525	2021-04-29T02:30:36	2021-07-28T02:30:36	api.bitswap.network	api.bitswap.network	C=US, O=Let's Encrypt, CN=R3
2021-04-09T01:48:48.27	2021-04-09T00:48:48	2021-07-08T00:48:48	api.bitswap.network	api.bitswap.network	C=US, O=Let's Encrypt, CN=R3
2021-04-09T01:48:48.074	2021-04-09T00:48:48	2021-07-08T00:48:48	api.bitswap.network	api.bitswap.network	C=US, O=Let's Encrypt, CN=R3