diff --git a/dnsapi.md b/dnsapi.md
index 2f3cfdc..a82f225 100644
--- a/dnsapi.md
+++ b/dnsapi.md
@@ -2775,6 +2775,27 @@ The `DNSHOME_Subdomain` and `DNSHOME_SubdomainPassword` will be saved in `~/.acm
 
 Please report any issue to [https://github.com/acmesh-official/acme.sh/issues/3819](https://github.com/acmesh-official/acme.sh/issues/3819)
 
+## 139. Use mythic-beasts.com DNS API
+
+First obtain you API key from the control panel.
+
+```sh
+export MB_AK="Key"
+export MB_AS="Secret"
+```
+
+Ok, let's issue a cert now:
+```sh
+acme.sh --issue --dns dns_mythic_beasts --domain example.com
+```
+
+The credentials will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
+
+Please report any issue to [https://github.com/acmesh-official/acme.sh/issues/3848](https://github.com/acmesh-official/acme.sh/issues/3848)
+
+
+
+# ##################
 # Use custom API
 
 If your API is not supported yet, you can write your own DNS API.