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fix: rate-probabilities → European region + stronger browser headers

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- preferredRegion: fra1/lhr1/cdg1 to bypass US cloud IP blocks on rateprobability.com
- Better sec-* headers to pass bot detection (same-origin cors mode)
- cache: no-store on fetch to avoid stale null caching
- Log CB count on each invocation for diagnostics

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
caty21
2026-06-27 16:27:20 +02:00
co-authored by Claude Sonnet 4.6
parent 5cf5d76601
commit 67c1811c8f
2 changed files with 16 additions and 5 deletions
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app/api/rate-probabilities/route.ts
+4 -1
View File
@@ -3,6 +3,7 @@ import { fetchAllCBPaths } from "@/lib/rateprobability";
import type { RateProbData } from "@/lib/rateprobability"; import type { RateProbData } from "@/lib/rateprobability";
export const dynamic = "force-dynamic"; export const dynamic = "force-dynamic";
export const preferredRegion = ["fra1", "lhr1", "cdg1"]; // Europe (Frankfurt / London / Paris)
export type { RateProbData, CBRatePath, RateProbMeeting } from "@/lib/rateprobability"; export type { RateProbData, CBRatePath, RateProbMeeting } from "@/lib/rateprobability";
@@ -13,8 +14,10 @@ export interface RateProbabilitiesResponse {
export async function GET() { export async function GET() {
const data = await fetchAllCBPaths(); const data = await fetchAllCBPaths();
const currencies = Object.keys(data);
console.log(`[rate-prob] fetched ${currencies.length} CBs: ${currencies.join(", ")}`);
return NextResponse.json( return NextResponse.json(
{ data, fetchedAt: new Date().toISOString() } satisfies RateProbabilitiesResponse, { data, fetchedAt: new Date().toISOString() } satisfies RateProbabilitiesResponse,
{ headers: { "Cache-Control": "s-maxage=3600, stale-while-revalidate=7200" } } { headers: { "Cache-Control": "no-store" } }
); );
} }
lib/rateprobability.ts
+12 -4
View File
@@ -100,11 +100,19 @@ async function fetchCBPath(ccy: Currency, slug: string): Promise<CBRatePath | nu
try { try {
const res = await fetch(`https://rateprobability.com/api/${slug}/latest`, { const res = await fetch(`https://rateprobability.com/api/${slug}/latest`, {
headers: { headers: {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/124.0.0.0 Safari/537.36", "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36",
"Referer": `https://rateprobability.com/${slug}`, "Referer": `https://rateprobability.com/${slug}`,
"Accept": "application/json, */*", "Origin": "https://rateprobability.com",
"Accept": "application/json, text/plain, */*",
"Accept-Language": "en-US,en;q=0.9",
"Accept-Encoding": "gzip, deflate, br",
"sec-ch-ua": '"Chromium";v="125", "Not.A/Brand";v="24"',
"sec-ch-ua-mobile":"?0",
"sec-fetch-dest": "empty",
"sec-fetch-mode": "cors",
"sec-fetch-site": "same-origin",
}, },
next: { revalidate: 3600 }, cache: "no-store",
}); });
if (!res.ok) return null; if (!res.ok) return null;
const body = await res.json() as Record<string, unknown>; const body = await res.json() as Record<string, unknown>;