diff --git a/relationships/candidates/AWSAPPSYNCAPI.yml b/relationships/candidates/AWSAPPSYNCAPI.yml
new file mode 100644
index 000000000..9d4d030e0
--- /dev/null
+++ b/relationships/candidates/AWSAPPSYNCAPI.yml
@@ -0,0 +1,16 @@
+category: AWSAPPSYNCAPI
+lookups:
+  - entityTypes:
+      - domain: INFRA
+        type: AWSAPPSYNCAPI
+    tags:
+      matchingMode: ALL
+      predicates:
+        - tagKeys: ["Http.Url"]
+          field: httpUrl
+    onMatch:
+      onMultipleMatches: RELATE_ALL
+    onMiss:
+      action: CREATE_UNINSTRUMENTED
+      uninstrumented:
+        type: AWSAPPSYNCAPI
\ No newline at end of file
diff --git a/relationships/synthesis/APM-APPLICATION-to-INFRA-AWSAPPSYNCAPI.yml b/relationships/synthesis/APM-APPLICATION-to-INFRA-AWSAPPSYNCAPI.yml
new file mode 100644
index 000000000..4f4b780fe
--- /dev/null
+++ b/relationships/synthesis/APM-APPLICATION-to-INFRA-AWSAPPSYNCAPI.yml
@@ -0,0 +1,22 @@
+relationships:
+  - name: apmCallsInfraAppSyncApi
+    version: "1"
+    origins:
+      - Distributed Tracing
+    conditions:
+      - attribute: eventType
+        anyOf: [ "Span" ]
+      - attribute: peer.hostname
+        regex: '[a-z]+\d*[a-z]*\.appsync-api\.[a-z]{2}-[a-z]+-\d+\.amazonaws\.com'
+    relationship:
+      expires: P75M
+      relationshipType: CALLS
+      source:
+        extractGuid:
+          attribute: entity.guid
+      target:
+        lookupGuid:
+          candidateCategory: AWSAPPSYNCAPI
+          fields:
+            - field: httpUrl
+              attribute: Http.Url
\ No newline at end of file
diff --git a/relationships/synthesis/EXT-SERVICE-to-INFRA-AWSAPPSYNCAPI.yml b/relationships/synthesis/EXT-SERVICE-to-INFRA-AWSAPPSYNCAPI.yml
new file mode 100644
index 000000000..6b11d8418
--- /dev/null
+++ b/relationships/synthesis/EXT-SERVICE-to-INFRA-AWSAPPSYNCAPI.yml
@@ -0,0 +1,24 @@
+relationships:
+  - name: extServiceCallsInfraAppSyncApi
+    version: "1"
+    origins:
+      - Distributed Tracing
+    conditions:
+      - attribute: eventType
+        anyOf: [ "Span" ]
+      - attribute: instrumentation.provider
+        anyOf: [ "opentelemetry" ]
+      - attribute: net.peer.name
+        regex: '[a-z]+\d*[a-z]*\.appsync-api\.[a-z]{2}-[a-z]+-\d+\.amazonaws\.com'
+    relationship:
+      expires: P75M
+      relationshipType: CALLS
+      source:
+        extractGuid:
+          attribute: entity.guid
+      target:
+        lookupGuid:
+          candidateCategory: AWSAPPSYNCAPI
+          fields:
+            - field: httpUrl
+              attribute: Http.Url
\ No newline at end of file