diff --git a/README.md b/README.md
index c7697a97ef..7009f3b54f 100644
--- a/README.md
+++ b/README.md
@@ -1685,6 +1685,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Classify](https://classify-web.herokuapp.com/#/api) | Encrypting & decrypting text messages | No | Yes | Yes |
 | [Complete Criminal Checks](https://completecriminalchecks.com/Developers) | Provides data of offenders from all U.S. States and Pureto Rico | `apiKey` | Yes | Yes |
 | [CRXcavator](https://crxcavator.io/apidocs) | Chrome extension risk scoring | `apiKey` | Yes | Unknown |
+| [CSR.plus](https://csr.plus/docs/api) | Generate certificate signing requests and private keys without OpenSSL | No | Yes | Yes |
 | [dead-drop](https://api.dead-drop.xyz/api/v1/docs) | Ephemeral zero-knowledge encrypted data sharing | No | Yes | Yes |
 | [Dehash.lt](https://github.com/Dehash-lt/api) | Hash decryption MD5, SHA1, SHA3, SHA256, SHA384, SHA512 | No | Yes | Unknown |
 | [Domain Intelligence](https://oti-labs.com/domain-intelligence-api) | DNS, WHOIS/RDAP, SSL, subdomain enumeration, and email security in one parallel call | `apiKey` | Yes | No |