diff --git a/README.md b/README.md
index 4ab31101..0a091996 100644
--- a/README.md
+++ b/README.md
@@ -1677,6 +1677,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Spanish random words](https://palabras-aleatorias-public-api.herokuapp.com) | Generate spanish words randomly | No | Yes | Unknown |
 | [This Person Does not Exist](https://thispersondoesnotexist.com) | Generates real-life faces of people who do not exist | No | Yes | Unknown |
 | [Toolcarton](https://testimonialapi.toolcarton.com/) | Generate random testimonial data | No | Yes | Unknown |
+| [TotalShiftLeft API Sandbox](https://demo.totalshiftleft.ai/) | Free public REST + GraphQL + SOAP API for testing — real CRUD, OAuth2/JWT auth, OpenAPI 3.0 spec, error & latency simulation | No | Yes | Yes |
 | [UUID Generator](https://www.uuidtools.com/docs) | Generate UUIDs | No | Yes | No |
 | [What The Commit](http://whatthecommit.com/index.txt) | Random commit message generator | No | No | Yes |
 | [Yes No](https://yesno.wtf/api) | Generate yes or no randomly | No | Yes | Unknown |