diff --git a/sshpiperd/upstream/yaml/schema.json b/sshpiperd/upstream/yaml/schema.json
index e69de29b..408e5b76 100644
--- a/sshpiperd/upstream/yaml/schema.json
+++ b/sshpiperd/upstream/yaml/schema.json
@@ -0,0 +1,165 @@
+{
+    "$schema": "http://json-schema.org/draft-06/schema#",
+    "$ref": "#/definitions/sshpiperd",
+    "definitions": {
+        "sshpiperd": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "version": {
+                    "type": "string"
+                },
+                "pipes": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/pipe"
+                    }
+                }
+            },
+            "required": [
+                "pipes",
+                "version"
+            ]
+        },
+        "pipe": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "username": {
+                    "type": "string"
+                },
+                "upstream_host": {
+                    "type": "string"
+                },
+                "ignore_hostkey": {
+                    "type": "boolean"
+                },
+                "authmap": {
+                    "$ref": "#/definitions/authmap"
+                },
+                "username_regex_match": {
+                    "type": "boolean"
+                },
+                "known_hosts": {
+                    "type": "string"
+                },
+                "known_hosts_data": {
+                    "type": "string"
+                }
+            },
+            "required": [
+                "authmap",
+                "upstream_host"
+            ]
+        },
+        "authmap": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "mapped_username": {
+                    "type": "string"
+                },
+                "from": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/from"
+                    }
+                },
+                "to": {
+                    "$ref": "#/definitions/to"
+                },
+                "no_passthrough": {
+                    "type": "boolean"
+                }
+            }
+        },
+        "from": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "oneOf": [
+                        {
+                            "enum": [
+                                "none",
+                                "password",
+                                "publickey",
+                                "any"
+                            ]
+                        }
+                    ]
+                },
+                "password": {
+                    "type": "string"
+                },
+                "authorized_keys": {
+                    "type": "string"
+                },
+                "authorized_keys_data": {
+                    "type": "string"
+                },
+                "allow_any_public_key": {
+                    "type": "boolean"
+                }
+            },
+            "required": [
+                "type"
+            ]
+        },
+        "to": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "type": {
+                    "type": "string",
+                    "oneOf": [
+                        {
+                            "enum": [
+                                "none",
+                                "password",
+                                "privatekey"
+                            ]
+                        }
+                    ]
+                },
+                "password": {
+                    "type": "string"
+                },
+                "private_key": {
+                    "type": "string"
+                },
+                "private_key_data": {
+                    "type": "string"
+                },
+                "key_map": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/keymap"
+                    }
+                }
+            },
+            "required": [
+                "type"
+            ]
+        },
+        "keymap": {
+            "type": "object",
+            "additionalProperties": false,
+            "properties": {
+                "authorized_keys": {
+                    "type": "string"
+                },
+                "authorized_keys_data": {
+                    "type": "string"
+                },
+                "private_key": {
+                    "type": "string"
+                },
+                "private_key_data": {
+                    "type": "string"
+                }
+            }
+        }
+    }
+}