diff --git a/.changeset/coinmarketcap-crypto-quote-filter.md b/.changeset/coinmarketcap-crypto-quote-filter.md
new file mode 100644
index 00000000000..7687f3017d3
--- /dev/null
+++ b/.changeset/coinmarketcap-crypto-quote-filter.md
@@ -0,0 +1,5 @@
+---
+'@chainlink/coinmarketcap-adapter': patch
+---
+
+Fix crypto transport attaching the full param list to every per-quote request, which caused intermittent 502 "Data for quote X not found" for any param whose quote differed from the request's convert.
diff --git a/packages/sources/coinmarketcap/src/transport/crypto.ts b/packages/sources/coinmarketcap/src/transport/crypto.ts
index 27f0b124475..af3710d9f0a 100644
--- a/packages/sources/coinmarketcap/src/transport/crypto.ts
+++ b/packages/sources/coinmarketcap/src/transport/crypto.ts
@@ -92,7 +92,7 @@ export const httpTransport = new HttpTransport<HttpTransportTypes>({
         const uniqueQuotes = [...new Set(list.map((p) => p.quote.toUpperCase()))]
         uniqueQuotes.forEach((uniqueQuote) => {
           requests.push({
-            params: list,
+            params: list.filter((p) => p.quote.toUpperCase() === uniqueQuote),
             request: {
               baseURL: settings.API_ENDPOINT,
               url: '/cryptocurrency/quotes/latest',