diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45d96f795..bd8159d1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,9 @@
   cycles like a period logged by hand, a finished Garmin period also marks
   its last day, and periods imported earlier are repaired once on the next
   start. A day you logged yourself is never changed. (#1333)
+- **Garmin in the setup questions.** The onboarding question about where
+  your readings come from now offers Garmin, and can end on connecting it.
+  (#1333)
 - **Typing into the smoking history.** "When you stopped" only took text
   that was already a whole YYYY-MM month, so every keystroke was dropped
   and only a paste got in. The start year clamped each keystroke into its
diff --git a/docs/api/openapi.yaml b/docs/api/openapi.yaml
index 1d896a3de..eaf513ca2 100644
--- a/docs/api/openapi.yaml
+++ b/docs/api/openapi.yaml
@@ -36694,7 +36694,7 @@ components:
               type: string
               const: done
             sources:
-              maxItems: 10
+              maxItems: 11
               type: array
               items:
                 type: string
@@ -36705,6 +36705,7 @@ components:
                   - oura
                   - whoop
                   - polar
+                  - garmin
                   - fitbit
                   - strava
                   - nightscout
@@ -83103,6 +83104,7 @@ components:
               - oura
               - whoop
               - polar
+              - garmin
               - fitbit
               - strava
               - nightscout
diff --git a/messages/de.json b/messages/de.json
index 5abe7c515..addd1369c 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/en.json b/messages/en.json
index 4160fe8fd..6eecabb83 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/es.json b/messages/es.json
index aff7c3bca..663d66f6e 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/fr.json b/messages/fr.json
index 348f3d5a4..50e0eb018 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/it.json b/messages/it.json
index ad13867cc..c05731311 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/ko.json b/messages/ko.json
index 98499067d..10ebcb44e 100644
--- a/messages/ko.json
+++ b/messages/ko.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/nl.json b/messages/nl.json
index 96d427f61..a53d0187c 100644
--- a/messages/nl.json
+++ b/messages/nl.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/pl.json b/messages/pl.json
index d5fb8cd97..c9b05a0c0 100644
--- a/messages/pl.json
+++ b/messages/pl.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/pt-BR.json b/messages/pt-BR.json
index 7436334e1..eb89e8d03 100644
--- a/messages/pt-BR.json
+++ b/messages/pt-BR.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/messages/ru.json b/messages/ru.json
index 7ef35a608..6563de908 100644
--- a/messages/ru.json
+++ b/messages/ru.json
@@ -5277,6 +5277,7 @@
           "oura": "Oura",
           "whoop": "WHOOP",
           "polar": "Polar",
+          "garmin": "Garmin",
           "fitbit": "Fitbit",
           "strava": "Strava",
           "nightscout": "Nightscout",
diff --git a/src/lib/onboarding/__tests__/first-result-config.test.ts b/src/lib/onboarding/__tests__/first-result-config.test.ts
index 5eebd8325..d05ee5f12 100644
--- a/src/lib/onboarding/__tests__/first-result-config.test.ts
+++ b/src/lib/onboarding/__tests__/first-result-config.test.ts
@@ -8,6 +8,7 @@ import { join } from "node:path";
 
 import { describe, expect, it } from "vitest";
 
+import { CONNECTION_KEYS } from "@/lib/integrations/connection-health";
 import { ONBOARDING_AREA_KEYS } from "@/lib/modules/registry";
 import { NAV_DESTINATIONS } from "@/components/layout/nav-model";
 
@@ -18,8 +19,22 @@ import {
   deliveringSources,
   SOURCE_INTEGRATION,
 } from "../first-result-config";
+import { ONBOARDING_SOURCE_KEYS } from "../needs";
 import { BROWSER_CONNECTABLE_SOURCES } from "../wizard-steps";
 
+/**
+ * Connections the setup flow deliberately does not ask about, each with its
+ * reason. Every other connection must be a Q4 source; a provider shipped on
+ * Settings and missing here was absent from the flow without anybody deciding
+ * it.
+ */
+const NOT_AN_ONBOARDING_SOURCE: Record<string, string> = {
+  "google-health":
+    "the successor transport behind the Fitbit answer, which still links the classic Fitbit card",
+  dawarich:
+    "movement context for the environment module, not a source of readings",
+};
+
 describe("first-result targets", () => {
   it("covers every area with exactly one of a form or a page", () => {
     for (const area of ONBOARDING_AREA_KEYS) {
@@ -36,6 +51,33 @@ describe("first-result targets", () => {
     }
   });
 
+  it("asks about every connection Settings offers, or says why not", () => {
+    const sources = new Set<string>(ONBOARDING_SOURCE_KEYS);
+    const missing = CONNECTION_KEYS.filter(
+      (key) => !sources.has(key) && !(key in NOT_AN_ONBOARDING_SOURCE),
+    );
+    expect(missing).toEqual([]);
+    for (const key of Object.keys(NOT_AN_ONBOARDING_SOURCE)) {
+      expect(CONNECTION_KEYS as readonly string[]).toContain(key);
+    }
+  });
+
+  it("offers Garmin as a source the browser connects with a pasted key", () => {
+    expect(BROWSER_CONNECTABLE_SOURCES).toContain("garmin");
+    expect(SOURCE_INTEGRATION.garmin).toEqual({
+      anchor: "garmin",
+      statusKey: "garmin",
+      credentials: "self-hosted",
+    });
+    const view = connectSourceView("garmin", {
+      connected: false,
+      configured: false,
+      syncHealth: { verdict: "disconnected", since: null },
+      lastSuccessAt: null,
+    });
+    expect(view?.slot).toBe("connect");
+  });
+
   it("names an integration for every source the browser can connect", () => {
     for (const source of BROWSER_CONNECTABLE_SOURCES) {
       expect(SOURCE_INTEGRATION[source].anchor).toBeTruthy();
diff --git a/src/lib/onboarding/first-result-config.ts b/src/lib/onboarding/first-result-config.ts
index 304755c59..9c033b761 100644
--- a/src/lib/onboarding/first-result-config.ts
+++ b/src/lib/onboarding/first-result-config.ts
@@ -61,7 +61,8 @@ export const AREA_PAGE_HREF: Readonly<
  *   a dead end.
  * - `shared` — an operator env app is the fallback (`available` says whether
  *   any usable credentials resolve, own or shared).
- * - `self-hosted` — a URL the person pastes; nothing can be missing up front.
+ * - `self-hosted` — a URL or a key the person pastes; nothing can be missing
+ *   up front.
  */
 export type SourceCredentialModel = "byo" | "shared" | "self-hosted";
 
@@ -80,6 +81,12 @@ export const SOURCE_INTEGRATION: Readonly<
   oura: { anchor: "oura", statusKey: "oura", credentials: "shared" },
   whoop: { anchor: "whoop", statusKey: "whoop", credentials: "byo" },
   polar: { anchor: "polar", statusKey: "polar", credentials: "shared" },
+  // The person's own Personal API key, pasted on the card.
+  garmin: {
+    anchor: "garmin",
+    statusKey: "garmin",
+    credentials: "self-hosted",
+  },
   fitbit: { anchor: "fitbit", statusKey: "fitbit", credentials: "byo" },
   strava: { anchor: "strava", statusKey: "strava", credentials: "shared" },
   nightscout: {
diff --git a/src/lib/onboarding/needs.ts b/src/lib/onboarding/needs.ts
index 5ab044d73..a319b918b 100644
--- a/src/lib/onboarding/needs.ts
+++ b/src/lib/onboarding/needs.ts
@@ -99,6 +99,7 @@ export const ONBOARDING_SOURCE_KEYS = [
   "oura",
   "whoop",
   "polar",
+  "garmin",
   "fitbit",
   "strava",
   "nightscout",
diff --git a/src/lib/onboarding/wizard-steps.ts b/src/lib/onboarding/wizard-steps.ts
index d84b8adb4..8f411d264 100644
--- a/src/lib/onboarding/wizard-steps.ts
+++ b/src/lib/onboarding/wizard-steps.ts
@@ -34,6 +34,7 @@ export const BROWSER_CONNECTABLE_SOURCES = [
   "oura",
   "whoop",
   "polar",
+  "garmin",
   "fitbit",
   "strava",
   "nightscout",