diff --git a/server/src/lib/score-import/import-types/api/arc-ddr/converter.ts b/server/src/lib/score-import/import-types/api/arc-ddr/converter.ts
new file mode 100644
index 000000000..31ab317ac
--- /dev/null
+++ b/server/src/lib/score-import/import-types/api/arc-ddr/converter.ts
@@ -0,0 +1,131 @@
+import { EmptyObject } from "../../../../../utils/types";
+import { ConverterFunction } from "../../common/types";
+import p, { PrudenceSchema } from "prudence";
+import {
+    InvalidScoreFailure,
+    KTDataNotFoundFailure,
+} from "../../../framework/common/converter-failures";
+import { FormatPrError } from "../../../../../utils/prudence";
+import { ARCDDRScore } from "./types";
+import { FindChartOnARCID } from "../../../../../utils/queries/charts";
+import { FindSongOnIDGuaranteed } from "../../../../../utils/queries/songs";
+import { DryScore } from "../../../framework/common/types";
+import {
+    GenericGetGradeAndPercent,
+    ParseDateFromString,
+} from "../../../framework/common/score-utils";
+import { Lamps } from "kamaitachi-common";
+
+// There's a bunch of other useless fields but we don't care
+const PR_ArcDDRScore: PrudenceSchema = {
+    chart_id: "string",
+    lamp: p.isIn(
+        "MARVELOUS_FC",
+        "PERFECT_FC",
+        "GREAT_FC",
+        "GOOD_FC",
+        "CLEAR_3LIFE",
+        "CLEAR",
+        "FAIL"
+    ),
+    score: p.isBoundedInteger(0, 1_000_000),
+    ex_score: p.isPositiveInteger,
+    max_combo: p.isPositiveInteger,
+    judgements: {
+        marvelous: p.isPositiveInteger,
+        perfect: p.isPositiveInteger,
+        great: p.isPositiveInteger,
+        good: p.isPositiveInteger,
+        boo: p.isPositiveInteger,
+        miss: p.isPositiveInteger,
+        ok: p.isPositiveInteger,
+        ng: p.isPositiveInteger,
+    },
+    fast: p.isPositiveInteger,
+    slow: p.isPositiveInteger,
+    timestamp: "string",
+};
+
+export const ConvertAPIArcDDR: ConverterFunction<unknown, EmptyObject> = async (
+    data,
+    context,
+    importType,
+    logger
+) => {
+    const err = p(data, PR_ArcDDRScore, {}, { throwOnNonObject: false, allowExcessKeys: true });
+
+    if (err) {
+        throw new InvalidScoreFailure(FormatPrError(err, "Invalid ARC Score: "));
+    }
+
+    // confirmed by Prudence above.
+    const score = data as ARCDDRScore;
+
+    const chart = await FindChartOnARCID("ddr", score.chart_id);
+
+    if (!chart) {
+        throw new KTDataNotFoundFailure(
+            `Could not find chart with chart_id ${score.chart_id}.`,
+            importType,
+            data,
+            context
+        );
+    }
+
+    const song = await FindSongOnIDGuaranteed("ddr", chart.songID, logger);
+
+    const { grade, percent } = GenericGetGradeAndPercent("ddr", score.ex_score, chart);
+
+    const timeAchieved = ParseDateFromString(score.timestamp);
+
+    const lamp = ResolveARCDDRLamp(score.lamp);
+
+    const dryScore: DryScore<"ddr:SP" | "ddr:DP"> = {
+        comment: null,
+        game: "ddr",
+        importType,
+        timeAchieved,
+        service: "ARC DDR Ace",
+        scoreData: {
+            grade,
+            percent,
+            score: score.ex_score,
+            hitData: {
+                marvelous: score.judgements.marvelous,
+                perfect: score.judgements.perfect,
+                great: score.judgements.great,
+                good: score.judgements.good,
+                boo: score.judgements.boo,
+                miss: score.judgements.miss,
+                ok: score.judgements.ok,
+                ng: score.judgements.ng,
+            },
+            hitMeta: {
+                fast: score.fast,
+                slow: score.slow,
+                maxCombo: score.max_combo,
+            },
+            lamp,
+        },
+        scoreMeta: {},
+    };
+
+    return { song, chart, dryScore };
+};
+
+function ResolveARCDDRLamp(lamp: ARCDDRScore["lamp"]): Lamps["ddr:SP" | "ddr:DP"] {
+    switch (lamp) {
+        case "FAIL":
+            return "FAILED";
+        case "CLEAR":
+            return "CLEAR";
+        case "CLEAR_3LIFE":
+            return "LIFE4";
+        case "GREAT_FC":
+            return "GREAT FULL COMBO";
+        case "PERFECT_FC":
+            return "PERFECT FULL COMBO";
+    }
+
+    throw new InvalidScoreFailure(`Invalid lamp ${lamp} - Could not resolve.`);
+}
diff --git a/server/src/lib/score-import/import-types/api/arc-ddr/parser.ts b/server/src/lib/score-import/import-types/api/arc-ddr/parser.ts
new file mode 100644
index 000000000..f12a49fe4
--- /dev/null
+++ b/server/src/lib/score-import/import-types/api/arc-ddr/parser.ts
@@ -0,0 +1,26 @@
+import { KtLogger } from "../../../../logger/logger";
+import nodeFetch from "../../../../../utils/fetch";
+import { TraverseKaiAPI } from "../../common/api-kai/traverse-api";
+import { ParserFunctionReturnsAsync } from "../../common/types";
+import { EmptyObject } from "../../../../../utils/types";
+import { ARC_API_URL, ARC_AUTH_TOKEN } from "../../../../env/env";
+
+export function ParseArcDDR(
+    arcProfileID: string,
+    logger: KtLogger,
+    fetch = nodeFetch
+): ParserFunctionReturnsAsync<unknown, EmptyObject> {
+    return {
+        iterable: TraverseKaiAPI(
+            ARC_API_URL,
+            // DDR Ace.
+            `/api/v1/ddr/16/player_bests?profile_id=${arcProfileID}`,
+            ARC_AUTH_TOKEN,
+            logger,
+            fetch
+        ),
+        context: {},
+        classHandler: null,
+        game: "ddr",
+    };
+}
diff --git a/server/src/lib/score-import/import-types/api/arc-ddr/types.ts b/server/src/lib/score-import/import-types/api/arc-ddr/types.ts
new file mode 100644
index 000000000..ad19b9a00
--- /dev/null
+++ b/server/src/lib/score-import/import-types/api/arc-ddr/types.ts
@@ -0,0 +1,22 @@
+import { integer } from "kamaitachi-common";
+
+export interface ARCDDRScore {
+    chart_id: string;
+    lamp: "MARVELOUS_FC" | "PERFECT_FC" | "GREAT_FC" | "GOOD_FC" | "CLEAR_3LIFE" | "CLEAR" | "FAIL";
+    score: integer;
+    ex_score: integer;
+    max_combo: integer;
+    judgements: {
+        marvelous: integer;
+        perfect: integer;
+        great: integer;
+        good: integer;
+        boo: integer;
+        miss: integer;
+        ok: integer;
+        ng: integer;
+    };
+    fast: integer;
+    slow: integer;
+    timestamp: string;
+}