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diff --git a/include/git2/mailmap.h b/include/git2/mailmap.h
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+++ b/include/git2/mailmap.h
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+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_git_mailmap_h__
+#define INCLUDE_git_mailmap_h__
+
+#include "common.h"
+#include "types.h"
+#include "buffer.h"
+
+/**
+ * @file git2/mailmap.h
+ * @brief Mailmap parsing routines
+ * @defgroup git_mailmap Git mailmap routines
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/**
+ * Allocate a new mailmap object.
+ *
+ * This object is empty, so you'll have to add a mailmap file before you can do
+ * anything with it. The mailmap must be freed with 'git_mailmap_free'.
+ *
+ * @param out pointer to store the new mailmap
+ * @return 0 on success, or an error code
+ */
+GIT_EXTERN(int) git_mailmap_new(git_mailmap **out);
+
+/**
+ * Free the mailmap and its associated memory.
+ *
+ * @param mm the mailmap to free
+ */
+GIT_EXTERN(void) git_mailmap_free(git_mailmap *mm);
+
+/**
+ * Add a single entry to the given mailmap object. If the entry already exists,
+ * it will be replaced with the new entry.
+ *
+ * @param mm mailmap to add the entry to
+ * @param real_name the real name to use, or NULL
+ * @param real_email the real email to use, or NULL
+ * @param replace_name the name to replace, or NULL
+ * @param replace_email the email to replace
+ * @return 0 on success, or an error code
+ */
+GIT_EXTERN(int) git_mailmap_add_entry(
+	git_mailmap *mm, const char *real_name, const char *real_email,
+	const char *replace_name, const char *replace_email);
+
+/**
+ * Create a new mailmap instance containing a single mailmap file
+ *
+ * @param out pointer to store the new mailmap
+ * @param buf buffer to parse the mailmap from
+ * @param len the length of the input buffer
+ * @return 0 on success, or an error code
+ */
+GIT_EXTERN(int) git_mailmap_from_buffer(
+	git_mailmap **out, const char *buf, size_t len);
+
+/**
+ * Create a new mailmap instance from a repository, loading mailmap files based
+ * on the repository's configuration.
+ *
+ * Mailmaps are loaded in the following order:
+ *  1. '.mailmap' in the root of the repository's working directory, if present.
+ *  2. The blob object identified by the 'mailmap.blob' config entry, if set.
+ * 	   [NOTE: 'mailmap.blob' defaults to 'HEAD:.mailmap' in bare repositories]
+ *  3. The path in the 'mailmap.file' config entry, if set.
+ *
+ * @param out pointer to store the new mailmap
+ * @param repo repository to load mailmap information from
+ * @return 0 on success, or an error code
+ */
+GIT_EXTERN(int) git_mailmap_from_repository(
+	git_mailmap **out, git_repository *repo);
+
+/**
+ * Resolve a name and email to the corresponding real name and email.
+ *
+ * The lifetime of the strings are tied to `mm`, `name`, and `email` parameters.
+ *
+ * @param real_name pointer to store the real name
+ * @param real_email pointer to store the real email
+ * @param mm the mailmap to perform a lookup with (may be NULL)
+ * @param name the name to look up
+ * @param email the email to look up
+ * @return 0 on success, or an error code
+ */
+GIT_EXTERN(int) git_mailmap_resolve(
+	const char **real_name, const char **real_email,
+	const git_mailmap *mm, const char *name, const char *email);
+
+/**
+ * Resolve a signature to use real names and emails with a mailmap.
+ *
+ * Call `git_signature_free()` to free the data.
+ *
+ * @param out new signature
+ * @param mm mailmap to resolve with
+ * @param sig signature to resolve
+ * @return 0 or an error code
+ */
+GIT_EXTERN(int) git_mailmap_resolve_signature(
+	git_signature **out, const git_mailmap *mm, const git_signature *sig);
+
+/** @} */
+GIT_END_DECL
+#endif