diff --git a/PureGym.App/Program.fs b/PureGym.App/Program.fs
index 7443d71..ae84bc6 100644
--- a/PureGym.App/Program.fs
+++ b/PureGym.App/Program.fs
@@ -21,8 +21,12 @@ module Program =
              RequiresAuth (fun auth -> ArgsCrate.make (FullnessArgs.Parse auth) Fullness.run))
 
             "activity",
-            ("Get information about your gym usage",
+            ("Get information about your aggregate gym usage",
              RequiresAuth (fun auth -> ArgsCrate.make (MemberActivityArgs.Parse auth) MemberActivity.run))
+
+            "sessions",
+            ("Get information about your individual sessions",
+             RequiresAuth (fun auth -> ArgsCrate.make (SessionsArgs.Parse auth) Sessions.run))
         |]
         |> Map.ofArray
 
diff --git a/PureGym.App/PureGym.App.fsproj b/PureGym.App/PureGym.App.fsproj
index 1e026b5..0a7b218 100644
--- a/PureGym.App/PureGym.App.fsproj
+++ b/PureGym.App/PureGym.App.fsproj
@@ -14,6 +14,7 @@
       <Compile Include="Fullness.fs" />
       <Compile Include="LookupGym.fs" />
       <Compile Include="MemberActivity.fs" />
+      <Compile Include="Sessions.fs" />
       <Compile Include="Program.fs" />
     </ItemGroup>
 
diff --git a/PureGym.App/Sessions.fs b/PureGym.App/Sessions.fs
new file mode 100644
index 0000000..4e641f6
--- /dev/null
+++ b/PureGym.App/Sessions.fs
@@ -0,0 +1,49 @@
+namespace PureGym.App
+
+open Argu
+open PureGym
+open System
+
+type SessionsArgsFragment =
+    | [<Mandatory ; EqualsAssignmentOrSpaced>] From_Date of string
+    | [<Mandatory ; EqualsAssignmentOrSpaced>] To_Date of string
+
+    interface IArgParserTemplate with
+        member s.Usage =
+            match s with
+            | From_Date _ -> "start of date range (inclusive) for query, which needs to parse as a DateTime"
+            | To_Date _ -> "end of date range (inclusive) for query, which needs to parse as a DateTime"
+
+type SessionsArgs =
+    {
+        Creds : Auth
+        FromDate : DateTime
+        ToDate : DateTime
+    }
+
+    static member Parse
+        (auth : Auth)
+        (args : SessionsArgsFragment ParseResults)
+        : Result<SessionsArgs, ArguParseException>
+        =
+        let fromDate = args.GetResult SessionsArgsFragment.From_Date
+        let toDate = args.GetResult SessionsArgsFragment.To_Date
+
+        {
+            Creds = auth
+            FromDate = DateTime.Parse fromDate
+            ToDate = DateTime.Parse toDate
+        }
+        |> Ok
+
+[<RequireQualifiedAccess>]
+module Sessions =
+
+    let run (args : SessionsArgs) =
+        task {
+            let! client = Api.make args.Creds
+            let! activity = client.GetSessions args.FromDate args.ToDate
+
+            System.Console.WriteLine (string<Sessions> activity)
+            return 0
+        }
diff --git a/PureGym/Api.fs b/PureGym/Api.fs
index a98a6e8..6ff4793 100644
--- a/PureGym/Api.fs
+++ b/PureGym/Api.fs
@@ -260,6 +260,74 @@ type MemberActivityDto =
             LastRefreshed = this.LastRefreshed
         }
 
+type SessionsAggregate =
+    {
+        /// Number of gym "activities" within some query-defined time period; presumably this is like classes?
+        /// It's always 0 for me.
+        Activities : int
+        /// Number of visits to the gym within some query-defined time period.
+        Visits : int
+        /// In minutes: total time spent in gym during the query-defined time period.
+        Duration : int
+    }
+
+/// The DTO for gym info returned from the Sessions endpoint.
+type VisitGym =
+    {
+        // Omitting Location, GymAccess, ContactInfo, TimeZone because these were all null for me
+        /// The PureGym ID of this gym, e.g. 19
+        Id : int
+        /// E.g. "London Oval", the canonical name of this gym
+        Name : string
+        /// For some reason this always seems to be "Blocked"
+        Status : string
+    }
+
+/// Summary of a single visit to a gym.
+type Visit =
+    {
+        // Omitted Name because it always was null for me
+        /// Whether the Duration field is estimated.
+        IsDurationEstimated : bool
+        /// When the visit began.
+        StartTime : DateTime
+        /// In minutes.
+        Duration : int
+        /// Which gym was visited
+        Gym : VisitGym
+    }
+
+    /// Human-readable non-round-trip representation.
+    override this.ToString () =
+        let startTime = this.StartTime.ToString "yyyy-MM-dd HH:mm"
+        $"%s{this.Gym.Name}: %s{startTime} (%i{this.Duration} minutes)"
+
+/// Aggregate statistics for gym visits across a time period.
+type SessionsSummary =
+    {
+        /// Aggregate stats for gym visits within the query-dependent time period.
+        Total : SessionsAggregate
+        /// Aggregate stats for gym visits "this week", whatever that means to PureGym.
+        ThisWeek : SessionsAggregate
+    }
+
+    /// Human-readable non-round-trip representation.
+    override this.ToString () =
+        $"%i{this.Total.Visits} visits, totalling %i{this.Total.Duration} minutes"
+
+type Sessions =
+    {
+        Summary : SessionsSummary
+        Visits : Visit list
+    }
+
+    /// Human-readable non-round-trip representation.
+    override this.ToString () =
+        let summary = string<SessionsSummary> this.Summary
+        let visits = this.Visits |> Seq.map string<Visit> |> String.concat "\n"
+
+        $"%s{summary}\n%s{visits}"
+
 /// The PureGym REST API. You probably want to instantiate one of these with `Api.make`.
 [<Header("User-Agent", "PureGym/1523 CFNetwork/1312 Darwin/21.0.0")>]
 type IPureGymApi =
@@ -283,6 +351,10 @@ type IPureGymApi =
     [<Get "v1/member/activity">]
     abstract GetMemberActivity : unit -> Task<MemberActivityDto>
 
+    /// Get information about the individual visits to all PureGyms the currently-authenticated PureGym human has made.
+    [<Get "v2/gymSessions/member">]
+    abstract GetSessions : [<Query>] fromDate : DateTime -> [<Query>] toDate : DateTime -> Task<Sessions>
+
 // [<Get "v1/member/activity/history">]
 // abstract GetMemberActivityAll : unit -> Task<string>
 
diff --git a/PureGym/Auth.fs b/PureGym/Auth.fs
index 4aca107..c63c16a 100644
--- a/PureGym/Auth.fs
+++ b/PureGym/Auth.fs
@@ -10,11 +10,16 @@ open System.Threading.Tasks
 // System.Text.Json does not support internal F# records as of .NET 8, presumably because it can't find the constructor.
 // So we end up with this gruesome soup of C#.
 // TODO(net8): make this internal
+/// An internal type. Don't use it.
 type AuthResponseRaw [<JsonConstructor>] (access_token : string, expires_in : int, token_type : string, scope : string)
     =
+    /// Don't use this internal type.
     member _.access_token = access_token
+    /// Don't use this internal type.
     member _.expires_in = expires_in
+    /// Don't use this internal type.
     member _.token_type = token_type
+    /// Don't use this internal type.
     member _.scope = scope
 
 /// A token which can be used to authenticate with the PureGym API.
diff --git a/PureGym/SurfaceBaseline.txt b/PureGym/SurfaceBaseline.txt
index b4ec859..5102d5c 100644
--- a/PureGym/SurfaceBaseline.txt
+++ b/PureGym/SurfaceBaseline.txt
@@ -138,12 +138,13 @@ PureGym.GymSelector.NewName [static method]: string -> PureGym.GymSelector
 PureGym.GymSelector.Tag [property]: [read-only] int
 PureGym.GymSelectorModule inherit obj
 PureGym.GymSelectorModule.canonicalId [static method]: PureGym.IPureGymApi -> PureGym.GymSelector -> int System.Threading.Tasks.Task
-PureGym.IPureGymApi - interface with 5 member(s)
+PureGym.IPureGymApi - interface with 6 member(s)
 PureGym.IPureGymApi.GetGym [method]: int -> PureGym.Gym System.Threading.Tasks.Task
 PureGym.IPureGymApi.GetGymAttendance [method]: int -> PureGym.GymAttendance System.Threading.Tasks.Task
 PureGym.IPureGymApi.GetGyms [method]: unit -> PureGym.Gym list System.Threading.Tasks.Task
 PureGym.IPureGymApi.GetMember [method]: unit -> PureGym.Member System.Threading.Tasks.Task
 PureGym.IPureGymApi.GetMemberActivity [method]: unit -> PureGym.MemberActivityDto System.Threading.Tasks.Task
+PureGym.IPureGymApi.GetSessions [method]: System.DateTime -> System.DateTime -> PureGym.Sessions System.Threading.Tasks.Task
 PureGym.Member inherit obj, implements PureGym.Member System.IEquatable, System.Collections.IStructuralEquatable, PureGym.Member System.IComparable, System.IComparable, System.Collections.IStructuralComparable
 PureGym.Member..ctor [constructor]: (int, string, string, string, int, string, string, string, System.DateOnly, string, string, string, int, int, int)
 PureGym.Member.CompoundMemberId [property]: [read-only] string
@@ -205,9 +206,47 @@ PureGym.MemberActivityThisMonth.LastRefreshed [property]: [read-only] System.Dat
 PureGym.MemberActivityThisMonth.TotalClasses [property]: [read-only] int
 PureGym.MemberActivityThisMonth.TotalDurationMinutes [property]: [read-only] int
 PureGym.MemberActivityThisMonth.TotalVisits [property]: [read-only] int
+PureGym.Sessions inherit obj, implements PureGym.Sessions System.IEquatable, System.Collections.IStructuralEquatable, PureGym.Sessions System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+PureGym.Sessions..ctor [constructor]: (PureGym.SessionsSummary, PureGym.Visit list)
+PureGym.Sessions.get_Summary [method]: unit -> PureGym.SessionsSummary
+PureGym.Sessions.get_Visits [method]: unit -> PureGym.Visit list
+PureGym.Sessions.Summary [property]: [read-only] PureGym.SessionsSummary
+PureGym.Sessions.Visits [property]: [read-only] PureGym.Visit list
+PureGym.SessionsAggregate inherit obj, implements PureGym.SessionsAggregate System.IEquatable, System.Collections.IStructuralEquatable, PureGym.SessionsAggregate System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+PureGym.SessionsAggregate..ctor [constructor]: (int, int, int)
+PureGym.SessionsAggregate.Activities [property]: [read-only] int
+PureGym.SessionsAggregate.Duration [property]: [read-only] int
+PureGym.SessionsAggregate.get_Activities [method]: unit -> int
+PureGym.SessionsAggregate.get_Duration [method]: unit -> int
+PureGym.SessionsAggregate.get_Visits [method]: unit -> int
+PureGym.SessionsAggregate.Visits [property]: [read-only] int
+PureGym.SessionsSummary inherit obj, implements PureGym.SessionsSummary System.IEquatable, System.Collections.IStructuralEquatable, PureGym.SessionsSummary System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+PureGym.SessionsSummary..ctor [constructor]: (PureGym.SessionsAggregate, PureGym.SessionsAggregate)
+PureGym.SessionsSummary.get_ThisWeek [method]: unit -> PureGym.SessionsAggregate
+PureGym.SessionsSummary.get_Total [method]: unit -> PureGym.SessionsAggregate
+PureGym.SessionsSummary.ThisWeek [property]: [read-only] PureGym.SessionsAggregate
+PureGym.SessionsSummary.Total [property]: [read-only] PureGym.SessionsAggregate
 PureGym.UsernamePin inherit obj, implements PureGym.UsernamePin System.IEquatable, System.Collections.IStructuralEquatable, PureGym.UsernamePin System.IComparable, System.IComparable, System.Collections.IStructuralComparable
 PureGym.UsernamePin..ctor [constructor]: (string, string)
 PureGym.UsernamePin.get_Pin [method]: unit -> string
 PureGym.UsernamePin.get_Username [method]: unit -> string
 PureGym.UsernamePin.Pin [property]: [read-only] string
-PureGym.UsernamePin.Username [property]: [read-only] string
\ No newline at end of file
+PureGym.UsernamePin.Username [property]: [read-only] string
+PureGym.Visit inherit obj, implements PureGym.Visit System.IEquatable, System.Collections.IStructuralEquatable, PureGym.Visit System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+PureGym.Visit..ctor [constructor]: (bool, System.DateTime, int, PureGym.VisitGym)
+PureGym.Visit.Duration [property]: [read-only] int
+PureGym.Visit.get_Duration [method]: unit -> int
+PureGym.Visit.get_Gym [method]: unit -> PureGym.VisitGym
+PureGym.Visit.get_IsDurationEstimated [method]: unit -> bool
+PureGym.Visit.get_StartTime [method]: unit -> System.DateTime
+PureGym.Visit.Gym [property]: [read-only] PureGym.VisitGym
+PureGym.Visit.IsDurationEstimated [property]: [read-only] bool
+PureGym.Visit.StartTime [property]: [read-only] System.DateTime
+PureGym.VisitGym inherit obj, implements PureGym.VisitGym System.IEquatable, System.Collections.IStructuralEquatable, PureGym.VisitGym System.IComparable, System.IComparable, System.Collections.IStructuralComparable
+PureGym.VisitGym..ctor [constructor]: (int, string, string)
+PureGym.VisitGym.get_Id [method]: unit -> int
+PureGym.VisitGym.get_Name [method]: unit -> string
+PureGym.VisitGym.get_Status [method]: unit -> string
+PureGym.VisitGym.Id [property]: [read-only] int
+PureGym.VisitGym.Name [property]: [read-only] string
+PureGym.VisitGym.Status [property]: [read-only] string
\ No newline at end of file
diff --git a/PureGym/version.json b/PureGym/version.json
index 5b7dc86..958fb13 100644
--- a/PureGym/version.json
+++ b/PureGym/version.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0",
+  "version": "2.0",
   "publicReleaseRefSpec": [
     "^refs/heads/main$"
   ],