diff --git a/README.md b/README.md
index 948309d..8ea648c 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@ Structured data of the list (kept in sync) is in [structured.yaml](structured.ya
 * `echo "Hello world!" | curl -F 'clbin=<-' https://clbin.com`
 * `echo "Hello world!" | nc termbin.com 9999`
 * `echo "Hello world!" | curl -F 'sprunge=<-' sprunge.us`
+* `echo "Hello world!" | curl -H "content-type: text/plain" -d @- https://textdb.dev/api/data/unique-id-for-my-text`
 
 ## URL shortener
 
@@ -121,6 +122,9 @@ Structured data of the list (kept in sync) is in [structured.yaml](structured.ya
 * `curl -s "https://decapi.me/youtube/latest_video?user=NPR"` - title/URL of latest upload from indicated YouTube channel
 * `curl -s "https://decapi.me/twitter/latest?name=NPR"` - last tweet from indicated account
 * `curl -s "https://decapi.me/twitch/uptime?channel=IGN"` - check if indicated twitch channel is online
+* `curl -s "https://httpbin.org/delay/4"` - HTTP request and response Service (e.g. send response after 4 seconds)
+* `curl -s "https://urlecho.appspot.com/echo?body=Hello+World"` - HTTP response defined in the request parameters
+* `curl -s "https://urlreq.appspot.com/req?method=GET&url=https://l2.io/ip"` - HTTP proxy makes new requests based on input parameters
 
 ## Monitoring