diff --git a/.gitignore b/.gitignore
index b5a890408..ee22dbd83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,10 @@
 .vscode/
 coverage
 docgen/html
+docgen/*/temp
+docgen/*/markdown
+docgen/*/*.json
+docgen/*/*.md
 firebase-functions-*.tgz
 integration_test/.firebaserc
 integration_test/*.log
diff --git a/docgen/api-extractor.base.json b/docgen/api-extractor.base.json
new file mode 100644
index 000000000..2938a396f
--- /dev/null
+++ b/docgen/api-extractor.base.json
@@ -0,0 +1,364 @@
+/**
+ * Config file for API Extractor.  For more info, please visit: https://api-extractor.com
+ */
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+
+  /**
+   * Optionally specifies another JSON config file that this file extends from.  This provides a way for
+   * standard settings to be shared across multiple projects.
+   *
+   * If the path starts with "./" or "../", the path is resolved relative to the folder of the file that contains
+   * the "extends" field.  Otherwise, the first path segment is interpreted as an NPM package name, and will be
+   * resolved using NodeJS require().
+   *
+   * SUPPORTED TOKENS: none
+   * DEFAULT VALUE: ""
+   */
+  // "extends": "./shared/api-extractor-base.json"
+  // "extends": "my-package/include/api-extractor-base.json"
+
+  /**
+   * Determines the "<projectFolder>" token that can be used with other config file settings.  The project folder
+   * typically contains the tsconfig.json and package.json config files, but the path is user-defined.
+   *
+   * The path is resolved relative to the folder of the config file that contains the setting.
+   *
+   * The default value for "projectFolder" is the token "<lookup>", which means the folder is determined by traversing
+   * parent folders, starting from the folder containing api-extractor.json, and stopping at the first folder
+   * that contains a tsconfig.json file.  If a tsconfig.json file cannot be found in this way, then an error
+   * will be reported.
+   *
+   * SUPPORTED TOKENS: <lookup>
+   * DEFAULT VALUE: "<lookup>"
+   */
+  "projectFolder": "..",
+
+  /**
+   * (REQUIRED) Specifies the .d.ts file to be used as the starting point for analysis.  API Extractor
+   * analyzes the symbols exported by this module.
+   *
+   * The file extension must be ".d.ts" and not ".ts".
+   *
+   * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+   * prepend a folder token such as "<projectFolder>".
+   *
+   * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+   */
+  "mainEntryPointFilePath": "<projectFolder>/lib/index.d.ts",
+
+  /**
+   * A list of NPM package names whose exports should be treated as part of this package.
+   *
+   * For example, suppose that Webpack is used to generate a distributed bundle for the project "library1",
+   * and another NPM package "library2" is embedded in this bundle.  Some types from library2 may become part
+   * of the exported API for library1, but by default API Extractor would generate a .d.ts rollup that explicitly
+   * imports library2.  To avoid this, we can specify:
+   *
+   *   "bundledPackages": [ "library2" ],
+   *
+   * This would direct API Extractor to embed those types directly in the .d.ts rollup, as if they had been
+   * local files for library1.
+   */
+  "bundledPackages": [],
+
+  /**
+   * Determines how the TypeScript compiler engine will be invoked by API Extractor.
+   */
+  "compiler": {
+    /**
+     * Specifies the path to the tsconfig.json file to be used by API Extractor when analyzing the project.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * Note: This setting will be ignored if "overrideTsconfig" is used.
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/tsconfig.json"
+     */
+    "tsconfigFilePath": "<projectFolder>/tsconfig.release.json"
+    /**
+     * Provides a compiler configuration that will be used instead of reading the tsconfig.json file from disk.
+     * The object must conform to the TypeScript tsconfig schema:
+     *
+     * http://json.schemastore.org/tsconfig
+     *
+     * If omitted, then the tsconfig.json file will be read from the "projectFolder".
+     *
+     * DEFAULT VALUE: no overrideTsconfig section
+     */
+    // "overrideTsconfig": {
+    //   . . .
+    // }
+    /**
+     * This option causes the compiler to be invoked with the --skipLibCheck option. This option is not recommended
+     * and may cause API Extractor to produce incomplete or incorrect declarations, but it may be required when
+     * dependencies contain declarations that are incompatible with the TypeScript engine that API Extractor uses
+     * for its analysis.  Where possible, the underlying issue should be fixed rather than relying on skipLibCheck.
+     *
+     * DEFAULT VALUE: false
+     */
+    // "skipLibCheck": true,
+  },
+
+  /**
+   * Configures how the API report file (*.api.md) will be generated.
+   */
+  "apiReport": {
+    /**
+     * (REQUIRED) Whether to generate an API report.
+     */
+    "enabled": true,
+
+    /**
+     * The filename for the API report files.  It will be combined with "reportFolder" or "reportTempFolder" to produce
+     * a full file path.
+     *
+     * The file extension should be ".api.md", and the string should not contain a path separator such as "\" or "/".
+     *
+     * SUPPORTED TOKENS: <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<unscopedPackageName>.api.md"
+     */
+    // "reportFileName": "<unscopedPackageName>.api.md",
+
+    /**
+     * Specifies the folder where the API report file is written.  The file name portion is determined by
+     * the "reportFileName" setting.
+     *
+     * The API report file is normally tracked by Git.  Changes to it can be used to trigger a branch policy,
+     * e.g. for an API review.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/etc/"
+     */
+    "reportFolder": "<projectFolder>/docgen/etc/",
+
+    /**
+     * Specifies the folder where the temporary report file is written.  The file name portion is determined by
+     * the "reportFileName" setting.
+     *
+     * After the temporary file is written to disk, it is compared with the file in the "reportFolder".
+     * If they are different, a production build will fail.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/temp/"
+     */
+    "reportTempFolder": "<projectFolder>/docgen/temp/"
+  },
+
+  /**
+   * Configures how the doc model file (*.api.json) will be generated.
+   */
+  "docModel": {
+    /**
+     * (REQUIRED) Whether to generate a doc model file.
+     */
+    "enabled": true,
+
+    /**
+     * The output path for the doc model file.  The file extension should be ".api.json".
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/temp/<unscopedPackageName>.api.json"
+     */
+    "apiJsonFilePath": "<projectFolder>/docgen/<unscopedPackageName>.api.json"
+  },
+
+  /**
+   * Configures how the .d.ts rollup file will be generated.
+   */
+  "dtsRollup": {
+    /**
+     * (REQUIRED) Whether to generate the .d.ts rollup file.
+     */
+    "enabled": true
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated without any trimming.
+     * This file will include all declarations that are exported by the main entry point.
+     *
+     * If the path is an empty string, then this file will not be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/dist/<unscopedPackageName>.d.ts"
+     */
+    // "untrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>.d.ts",
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "beta" release.
+     * This file will include only declarations that are marked as "@public" or "@beta".
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: ""
+     */
+    // "betaTrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>-beta.d.ts",
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "public" release.
+     * This file will include only declarations that are marked as "@public".
+     *
+     * If the path is an empty string, then this file will not be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: ""
+     */
+    // "publicTrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>-public.d.ts",
+
+    /**
+     * When a declaration is trimmed, by default it will be replaced by a code comment such as
+     * "Excluded from this release type: exampleMember".  Set "omitTrimmingComments" to true to remove the
+     * declaration completely.
+     *
+     * DEFAULT VALUE: false
+     */
+    // "omitTrimmingComments": true
+  },
+
+  /**
+   * Configures how the tsdoc-metadata.json file will be generated.
+   */
+  "tsdocMetadata": {
+    /**
+     * Whether to generate the tsdoc-metadata.json file.
+     *
+     * DEFAULT VALUE: true
+     */
+    // "enabled": true,
+    /**
+     * Specifies where the TSDoc metadata file should be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * The default value is "<lookup>", which causes the path to be automatically inferred from the "tsdocMetadata",
+     * "typings" or "main" fields of the project's package.json.  If none of these fields are set, the lookup
+     * falls back to "tsdoc-metadata.json" in the package folder.
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<lookup>"
+     */
+    // "tsdocMetadataFilePath": "<projectFolder>/dist/tsdoc-metadata.json"
+  },
+
+  /**
+   * Specifies what type of newlines API Extractor should use when writing output files.  By default, the output files
+   * will be written with Windows-style newlines.  To use POSIX-style newlines, specify "lf" instead.
+   * To use the OS's default newline kind, specify "os".
+   *
+   * DEFAULT VALUE: "crlf"
+   */
+  // "newlineKind": "crlf",
+
+  /**
+   * Configures how API Extractor reports error and warning messages produced during analysis.
+   *
+   * There are three sources of messages:  compiler messages, API Extractor messages, and TSDoc messages.
+   */
+  "messages": {
+    /**
+     * Configures handling of diagnostic messages reported by the TypeScript compiler engine while analyzing
+     * the input .d.ts files.
+     *
+     * TypeScript message identifiers start with "TS" followed by an integer.  For example: "TS2551"
+     *
+     * DEFAULT VALUE:  A single "default" entry with logLevel=warning.
+     */
+    "compilerMessageReporting": {
+      /**
+       * Configures the default routing for messages that don't match an explicit rule in this table.
+       */
+      "default": {
+        /**
+         * Specifies whether the message should be written to the the tool's output log.  Note that
+         * the "addToApiReportFile" property may supersede this option.
+         *
+         * Possible values: "error", "warning", "none"
+         *
+         * Errors cause the build to fail and return a nonzero exit code.  Warnings cause a production build fail
+         * and return a nonzero exit code.  For a non-production build (e.g. when "api-extractor run" includes
+         * the "--local" option), the warning is displayed but the build will not fail.
+         *
+         * DEFAULT VALUE: "warning"
+         */
+        "logLevel": "warning"
+
+        /**
+         * When addToApiReportFile is true:  If API Extractor is configured to write an API report file (.api.md),
+         * then the message will be written inside that file; otherwise, the message is instead logged according to
+         * the "logLevel" option.
+         *
+         * DEFAULT VALUE: false
+         */
+        // "addToApiReportFile": false
+      }
+
+      // "TS2551": {
+      //   "logLevel": "warning",
+      //   "addToApiReportFile": true
+      // },
+      //
+      // . . .
+    },
+
+    /**
+     * Configures handling of messages reported by API Extractor during its analysis.
+     *
+     * API Extractor message identifiers start with "ae-".  For example: "ae-extra-release-tag"
+     *
+     * DEFAULT VALUE: See api-extractor-defaults.json for the complete table of extractorMessageReporting mappings
+     */
+    "extractorMessageReporting": {
+      "default": {
+        "logLevel": "warning"
+        // "addToApiReportFile": false
+      }
+
+      // "ae-extra-release-tag": {
+      //   "logLevel": "warning",
+      //   "addToApiReportFile": true
+      // },
+      //
+      // . . .
+    },
+
+    /**
+     * Configures handling of messages reported by the TSDoc parser when analyzing code comments.
+     *
+     * TSDoc message identifiers start with "tsdoc-".  For example: "tsdoc-link-tag-unescaped-text"
+     *
+     * DEFAULT VALUE:  A single "default" entry with logLevel=warning.
+     */
+    "tsdocMessageReporting": {
+      "default": {
+        "logLevel": "warning"
+        // "addToApiReportFile": false
+      }
+
+      // "tsdoc-link-tag-unescaped-text": {
+      //   "logLevel": "warning",
+      //   "addToApiReportFile": true
+      // },
+      //
+      // . . .
+    }
+  }
+}
diff --git a/docgen/api-extractor.v1.json b/docgen/api-extractor.v1.json
new file mode 100644
index 000000000..f03058f13
--- /dev/null
+++ b/docgen/api-extractor.v1.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+  "extends": "./api-extractor.base.json",
+  "mainEntryPointFilePath": "<projectFolder>/lib/index.d.ts",
+  "docModel": {
+    "enabled": true,
+    "apiJsonFilePath": "<projectFolder>/docgen/v1/firebase-functions.api.json"
+  },
+  "apiReport": {
+    "enabled": true,
+    "reportTempFolder": "<projectFolder>/docgen/v1/temp",
+    "reportFolder": "<projectFolder>/docgen/v1"
+  }
+}
diff --git a/docgen/api-extractor.v2.json b/docgen/api-extractor.v2.json
new file mode 100644
index 000000000..2cf0596b7
--- /dev/null
+++ b/docgen/api-extractor.v2.json
@@ -0,0 +1,14 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+  "extends": "./api-extractor.base.json",
+  "mainEntryPointFilePath": "<projectFolder>/lib/v2/index.d.ts",
+  "docModel": {
+    "enabled": true,
+    "apiJsonFilePath": "<projectFolder>/docgen/v2/firebase-functions.api.json"
+  },
+  "apiReport": {
+    "enabled": true,
+    "reportTempFolder": "<projectFolder>/docgen/v2/temp",
+    "reportFolder": "<projectFolder>/docgen/v2"
+  }
+}
diff --git a/docgen/tsconfig.json b/docgen/tsconfig.json
deleted file mode 100644
index 3c43903cf..000000000
--- a/docgen/tsconfig.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "extends": "../tsconfig.json"
-}
diff --git a/package-lock.json b/package-lock.json
index 4e1d204b0..5b5f7fc85 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,6 +45,48 @@
         "@cspotcode/source-map-consumer": "0.8.0"
       }
     },
+    "@firebase/api-documenter": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/@firebase/api-documenter/-/api-documenter-0.1.2.tgz",
+      "integrity": "sha512-aDofRZebqbMzrbo5WAi9f21qUTzhIub7yOszirik3AwujqOzcUr1F7lIFrI41686JD1Zw56lLL/B5EWZTwvVjA==",
+      "dev": true,
+      "requires": {
+        "@microsoft/tsdoc": "0.12.24",
+        "@rushstack/node-core-library": "3.36.0",
+        "@rushstack/ts-command-line": "4.7.8",
+        "api-extractor-model-me": "0.1.1",
+        "colors": "~1.2.1",
+        "js-yaml": "4.0.0",
+        "resolve": "~1.17.0",
+        "tslib": "^2.1.0"
+      },
+      "dependencies": {
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
+          "dev": true
+        },
+        "js-yaml": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.0.0.tgz",
+          "integrity": "sha512-pqon0s+4ScYUvX30wxQi3PogGFAlUyH0awepWvwkj4jD4v+ova3RiYw8bmA6x2rDrEaj8i/oWKoRxpVNW+Re8Q==",
+          "dev": true,
+          "requires": {
+            "argparse": "^2.0.1"
+          }
+        },
+        "resolve": {
+          "version": "1.17.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
+          "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        }
+      }
+    },
     "@firebase/app-types": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/@firebase/app-types/-/app-types-0.7.0.tgz",
@@ -256,6 +298,296 @@
         }
       }
     },
+    "@microsoft/api-documenter": {
+      "version": "7.17.11",
+      "resolved": "https://registry.npmjs.org/@microsoft/api-documenter/-/api-documenter-7.17.11.tgz",
+      "integrity": "sha512-VdCu4eG5RISGEiG/hFO3jaN3gEgMZVXZRFpch/PQzrLO3Vh2QhZTz2LsZ2SYyb7UwBZCK9Z76ULv5cGoflylNA==",
+      "dev": true,
+      "requires": {
+        "@microsoft/api-extractor-model": "7.17.2",
+        "@microsoft/tsdoc": "0.14.1",
+        "@rushstack/node-core-library": "3.45.4",
+        "@rushstack/ts-command-line": "4.10.10",
+        "colors": "~1.2.1",
+        "js-yaml": "~3.13.1",
+        "resolve": "~1.17.0"
+      },
+      "dependencies": {
+        "@microsoft/tsdoc": {
+          "version": "0.14.1",
+          "resolved": "https://registry.npmjs.org/@microsoft/tsdoc/-/tsdoc-0.14.1.tgz",
+          "integrity": "sha512-6Wci+Tp3CgPt/B9B0a3J4s3yMgLNSku6w5TV6mN+61C71UqsRBv2FUibBf3tPGlNxebgPHMEUzKpb1ggE8KCKw==",
+          "dev": true
+        },
+        "@rushstack/node-core-library": {
+          "version": "3.45.4",
+          "resolved": "https://registry.npmjs.org/@rushstack/node-core-library/-/node-core-library-3.45.4.tgz",
+          "integrity": "sha512-FMoEQWjK7nWAO2uFgV1eVpVhY9ZDGOdIIomi9zTej64cKJ+8/Nvu+ny0xKaUDEjw/ALftN2D2ml7L0RDpW/Z9g==",
+          "dev": true,
+          "requires": {
+            "@types/node": "12.20.24",
+            "colors": "~1.2.1",
+            "fs-extra": "~7.0.1",
+            "import-lazy": "~4.0.0",
+            "jju": "~1.4.0",
+            "resolve": "~1.17.0",
+            "semver": "~7.3.0",
+            "timsort": "~0.3.0",
+            "z-schema": "~5.0.2"
+          }
+        },
+        "@rushstack/ts-command-line": {
+          "version": "4.10.10",
+          "resolved": "https://registry.npmjs.org/@rushstack/ts-command-line/-/ts-command-line-4.10.10.tgz",
+          "integrity": "sha512-F+MH7InPDXqX40qvvcEsnvPpmg566SBpfFqj2fcCh8RjM6AyOoWlXc8zx7giBD3ZN85NVAEjZAgrcLU0z+R2yg==",
+          "dev": true,
+          "requires": {
+            "@types/argparse": "1.0.38",
+            "argparse": "~1.0.9",
+            "colors": "~1.2.1",
+            "string-argv": "~0.3.1"
+          }
+        },
+        "@types/node": {
+          "version": "12.20.24",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.24.tgz",
+          "integrity": "sha512-yxDeaQIAJlMav7fH5AQqPH1u8YIuhYJXYBzxaQ4PifsU0GDO38MSdmEDeRlIxrKbC6NbEaaEHDanWb+y30U8SQ==",
+          "dev": true
+        },
+        "js-yaml": {
+          "version": "3.13.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+          "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
+        "resolve": {
+          "version": "1.17.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.17.0.tgz",
+          "integrity": "sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==",
+          "dev": true,
+          "requires": {
+            "path-parse": "^1.0.6"
+          }
+        },
+        "validator": {
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     "growl": {
       "version": "1.10.5",
@@ -2019,6 +2473,12 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "import-lazy": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/import-lazy/-/import-lazy-4.0.0.tgz",
+      "integrity": "sha512-rKtvo6a868b5Hu3heneU+L4yEQ4jYKLtjpnPeUdK7h0yzXGmyBTypknlkCvHFBqfX9YlorEiMM6Dnq/5atfHkw==",
+      "dev": true
+    },
     "imurmurhash": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
@@ -2235,6 +2695,12 @@
       "integrity": "sha512-5IZ7sY9dBAYSV+YjQ0Ovb540Ku7AO9Z5o2Cg789xj167iQuZ2cG+z0f3Uct6WeYLbU6aQiM2pCs7sZ+4dotydw==",
       "dev": true
     },
+    "jju": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/jju/-/jju-1.4.0.tgz",
+      "integrity": "sha1-o6vicYryQaKykE+EpiWXDzia4yo=",
+      "dev": true
+    },
     "jose": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/jose/-/jose-2.0.5.tgz",
@@ -2365,6 +2831,12 @@
         "bignumber.js": "^9.0.0"
       }
     },
+    "json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true
+    },
     "json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
@@ -2377,6 +2849,15 @@
       "integrity": "sha512-fQzRfAbIBnR0IQvftw9FJveWiHp72Fg20giDrHz6TdfB12UH/uue0D3hm57UB5KgAVuniLMCaS8P1IMj9NR7cA==",
       "dev": true
     },
+    "jsonfile": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
     "jsonwebtoken": {
       "version": "8.5.1",
       "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
@@ -2550,6 +3031,12 @@
       "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=",
       "dev": true
     },
+    "lodash.get": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
+      "dev": true
+    },
     "lodash.includes": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
@@ -2562,6 +3049,12 @@
       "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY=",
       "dev": true
     },
+    "lodash.isequal": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
+      "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=",
+      "dev": true
+    },
     "lodash.isinteger": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
@@ -3737,6 +4230,12 @@
       "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
       "dev": true
     },
+    "string-argv": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/string-argv/-/string-argv-0.3.1.tgz",
+      "integrity": "sha512-a1uQGz7IyVy9YwhqjZIZu1c8JO8dNIe20xBmSS6qu9kv++k3JGzCVmprbNN5Kn+BgzD5E7YYwg1CcjuJMRNsvg==",
+      "dev": true
+    },
     "string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -3853,6 +4352,12 @@
         "thenify": ">= 3.1.0 < 4"
       }
     },
+    "timsort": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/timsort/-/timsort-0.3.0.tgz",
+      "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=",
+      "dev": true
+    },
     "toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -4143,6 +4648,15 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -4168,6 +4682,12 @@
       "integrity": "sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==",
       "dev": true
     },
+    "validator": {
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-8.2.0.tgz",
+      "integrity": "sha512-Yw5wW34fSv5spzTXNkokD6S6/Oq92d8q/t14TqsS3fAiA1RYnxSFSIZ+CY3n6PGGRCq5HhJTSepQvFUS2QUDxA==",
+      "dev": true
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -4652,6 +5172,18 @@
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
       "dev": true,
       "optional": true
+    },
+    "z-schema": {
+      "version": "3.18.4",
+      "resolved": "https://registry.npmjs.org/z-schema/-/z-schema-3.18.4.tgz",
+      "integrity": "sha512-DUOKC/IhbkdLKKiV89gw9DUauTV8U/8yJl1sjf6MtDmzevLKOF2duNJ495S3MFVjqZarr+qNGCPbkg4mu4PpLw==",
+      "dev": true,
+      "requires": {
+        "commander": "^2.7.1",
+        "lodash.get": "^4.0.0",
+        "lodash.isequal": "^4.0.0",
+        "validator": "^8.0.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index f8cb58477..20f8c6ce0 100644
--- a/package.json
+++ b/package.json
@@ -157,6 +157,12 @@
   },
   "scripts": {
     "apidocs": "node docgen/generate-docs.js",
+    "docgen:v1:extract": "api-extractor run -c docgen/api-extractor.v1.json --local",
+    "docgen:v1:gen": "api-documenter-fire markdown -i docgen/v1 -o docgen/v1/markdown && api-documenter-fire toc -i docgen/v1 -o docgen/v1/markdown/toc -p /docs/reference/functions",
+    "docgen:v1": "npm run docgen:v1:extract && npm run docgen:v1:gen",
+    "docgen:v2:extract": "api-extractor run -c docgen/api-extractor.v2.json --local",
+    "docgen:v2:gen": "api-documenter-fire markdown -i docgen/v2 -o docgen/v2/markdown && api-documenter-fire toc -i docgen/v2 -o docgen/v2/markdown/toc -p /docs/reference/functions/v2",
+    "docgen:v2": "npm run docgen:v2:extract && npm run docgen:v2:gen",
     "build:pack": "rm -rf lib && npm install && tsc -p tsconfig.release.json && npm pack",
     "build:release": "npm ci --production && npm install --no-save typescript firebase-admin && tsc -p tsconfig.release.json",
     "build": "tsc -p tsconfig.release.json",
@@ -177,6 +183,9 @@
     "node-fetch": "^2.6.7"
   },
   "devDependencies": {
+    "@firebase/api-documenter": "^0.1.2",
+    "@microsoft/api-documenter": "^7.13.45",
+    "@microsoft/api-extractor": "^7.18.7",
     "@types/chai": "^4.1.7",
     "@types/chai-as-promised": "^7.1.0",
     "@types/jsonwebtoken": "^8.3.2",