{ "info": { "_postman_id": "d2bd0745-eb73-47b9-9cf8-b241b33d8b9a", "name": "Amazon Neptune Neptune Streams API", "description": "Neptune Streams generates a complete sequence of change-log entries that record every change made to graph data as it happens, enabling real-time capture of graph mutations via a REST API. Streams must be enabled by setting the neptune_streams DB cluster parameter to 1. The API supports both property graph (Gremlin/openCypher) and RDF (SPARQL) stream endpoints. Only HTTP GET operations are allowed. Maximum response size is 10 MB. Supports gzip compression via Accept-Encoding header.\n\nContact Support:\n Name: Amazon Web Services", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-06-05T15:00:41.000Z", "updatedAt": "2026-06-05T15:00:41.000Z", "lastUpdatedBy": "35240", "uid": "35240-d2bd0745-eb73-47b9-9cf8-b241b33d8b9a" }, "item": [ { "name": "propertygraph", "item": [ { "name": "stream", "item": [ { "name": "Amazon Neptune Get Property Graph Change Stream Records", "id": "a47ce728-c6b0-4d35-912e-0038e6baf023", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/propertygraph/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "propertygraph", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10. The 10 MB response size limit takes precedence over this value.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit. Default is 1.", "key": "opNum", "value": "1" } ] }, "description": "Gets a stream of change-log entries for property graph (Gremlin/openCypher) data. Each entry records a mutation (ADD or REMOVE) made to vertices, edges, or their properties. The response format is PG_JSON. This is the recommended endpoint for property graph streams, replacing the deprecated /gremlin/stream endpoint." }, "response": [ { "id": "500b43de-bcd3-4e1e-8968-94287a5e89c0", "name": "Stream records retrieved successfully.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/propertygraph/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "propertygraph", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10. The 10 MB response size limit takes precedence over this value.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit. Default is 1.", "key": "opNum", "value": "1" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"lastEventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"lastTrxTimestamp\": \"\",\n \"format\": \"PG_JSON\",\n \"records\": [\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"id\": \"\",\n \"type\": \"ep\",\n \"key\": \"\",\n \"value\": {\n \"value\": {\n \"description\": \"The actual property value.\"\n },\n \"dataType\": \"\"\n },\n \"from\": \"\",\n \"to\": \"\"\n },\n \"op\": \"REMOVE\",\n \"isLastOp\": \"\"\n },\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"id\": \"\",\n \"type\": \"ep\",\n \"key\": \"\",\n \"value\": {\n \"value\": {\n \"description\": \"The actual property value.\"\n },\n \"dataType\": \"\"\n },\n \"from\": \"\",\n \"to\": \"\"\n },\n \"op\": \"REMOVE\",\n \"isLastOp\": \"\"\n }\n ],\n \"totalRecords\": \"\"\n}", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-500b43de-bcd3-4e1e-8968-94287a5e89c0" }, { "id": "ec762979-0171-4f72-a48f-dc6eff9eac7a", "name": "Bad request - invalid parameters.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/propertygraph/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "propertygraph", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10. The 10 MB response size limit takes precedence over this value.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit. Default is 1.", "key": "opNum", "value": "1" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-ec762979-0171-4f72-a48f-dc6eff9eac7a" }, { "id": "0eca1b9f-e4f5-41ce-85aa-14ec0a267f6a", "name": "Internal server error.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/propertygraph/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "propertygraph", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10. The 10 MB response size limit takes precedence over this value.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit. Default is 1.", "key": "opNum", "value": "1" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-0eca1b9f-e4f5-41ce-85aa-14ec0a267f6a" } ], "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-a47ce728-c6b0-4d35-912e-0038e6baf023" } ], "id": "ca7ab182-05af-4314-8393-68559473f5ed", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-ca7ab182-05af-4314-8393-68559473f5ed" } ], "id": "9d090bf9-eb59-49d6-a061-00eb840a7c6d", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-9d090bf9-eb59-49d6-a061-00eb840a7c6d" }, { "name": "pg", "item": [ { "name": "stream", "item": [ { "name": "Amazon Neptune Get Property Graph Change Stream Records (alias)", "id": "0ef3a9c7-a84a-41fb-a4ad-1c9ea9d12b71", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/pg/stream?limit=10&iteratorType=AFTER_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "pg", "stream" ], "query": [ { "key": "limit", "value": "10" }, { "key": "iteratorType", "value": "AFTER_SEQUENCE_NUMBER" }, { "key": "commitNum", "value": "" }, { "key": "opNum", "value": "1" } ] }, "description": "Alias for /propertygraph/stream. Gets a stream of change-log entries for property graph data. Supports the same parameters and returns the same response format." }, "response": [ { "id": "a1d9ee92-9f99-48cb-b3fc-acb6b8e44981", "name": "Stream records retrieved successfully.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/pg/stream?limit=10&iteratorType=AFTER_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "pg", "stream" ], "query": [ { "key": "limit", "value": "10" }, { "key": "iteratorType", "value": "AFTER_SEQUENCE_NUMBER" }, { "key": "commitNum", "value": "" }, { "key": "opNum", "value": "1" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"lastEventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"lastTrxTimestamp\": \"\",\n \"format\": \"PG_JSON\",\n \"records\": [\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"id\": \"\",\n \"type\": \"ep\",\n \"key\": \"\",\n \"value\": {\n \"value\": {\n \"description\": \"The actual property value.\"\n },\n \"dataType\": \"\"\n },\n \"from\": \"\",\n \"to\": \"\"\n },\n \"op\": \"REMOVE\",\n \"isLastOp\": \"\"\n },\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"id\": \"\",\n \"type\": \"ep\",\n \"key\": \"\",\n \"value\": {\n \"value\": {\n \"description\": \"The actual property value.\"\n },\n \"dataType\": \"\"\n },\n \"from\": \"\",\n \"to\": \"\"\n },\n \"op\": \"REMOVE\",\n \"isLastOp\": \"\"\n }\n ],\n \"totalRecords\": \"\"\n}", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-a1d9ee92-9f99-48cb-b3fc-acb6b8e44981" } ], "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-0ef3a9c7-a84a-41fb-a4ad-1c9ea9d12b71" } ], "id": "c3f7afcb-961a-4c99-8797-5f18d3216f42", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-c3f7afcb-961a-4c99-8797-5f18d3216f42" } ], "id": "c10c275b-f336-4a1c-a89f-c0733b8eb919", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-c10c275b-f336-4a1c-a89f-c0733b8eb919" }, { "name": "sparql", "item": [ { "name": "stream", "item": [ { "name": "Amazon Neptune Get SPARQL RDF Change Stream Records", "id": "7bf9c333-6fcb-4f03-a4df-3479ae3c1ceb", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/sparql/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "sparql", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit.", "key": "opNum", "value": "1" } ] }, "description": "Gets a stream of change-log entries for RDF (SPARQL) data. Each entry records a mutation (ADD or REMOVE) of an RDF triple or quad. The response format is NQUADS, with each change represented as an N-Quads statement string." }, "response": [ { "id": "52ae6651-576a-48fd-8dc1-ac0210ac26f3", "name": "Stream records retrieved successfully.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/sparql/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "sparql", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit.", "key": "opNum", "value": "1" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"lastEventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"lastTrxTimestamp\": \"\",\n \"format\": \"NQUADS\",\n \"records\": [\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"stmt\": \"\"\n },\n \"op\": \"ADD\",\n \"isLastOp\": \"\"\n },\n {\n \"commitTimestamp\": \"\",\n \"eventId\": {\n \"commitNum\": \"\",\n \"opNum\": \"\"\n },\n \"data\": {\n \"stmt\": \"\"\n },\n \"op\": \"REMOVE\",\n \"isLastOp\": \"\"\n }\n ],\n \"totalRecords\": \"\"\n}", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-52ae6651-576a-48fd-8dc1-ac0210ac26f3" }, { "id": "8f53911a-4e79-4f63-ae44-ceb84c917407", "name": "Bad request - invalid parameters.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/sparql/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "sparql", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit.", "key": "opNum", "value": "1" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-8f53911a-4e79-4f63-ae44-ceb84c917407" }, { "id": "607ec968-a7b0-42ee-98f2-78c38bd988d2", "name": "Internal server error.", "originalRequest": { "method": "GET", "header": [ { "description": "Set to 'gzip' to receive compressed responses.", "key": "Accept-Encoding", "value": "gzip" }, { "description": "Added as a part of security scheme: apikey", "key": "Authorization", "value": "" } ], "url": { "raw": "{{baseUrl}}/sparql/stream?limit=10&iteratorType=AT_SEQUENCE_NUMBER&commitNum=&opNum=1", "host": [ "{{baseUrl}}" ], "path": [ "sparql", "stream" ], "query": [ { "description": "Maximum number of records to return (1-100,000). Default is 10.", "key": "limit", "value": "10" }, { "description": "Determines the starting point for reading the stream.", "key": "iteratorType", "value": "AT_SEQUENCE_NUMBER" }, { "description": "The commit number to start reading from. Required when iteratorType is AT_SEQUENCE_NUMBER or AFTER_SEQUENCE_NUMBER.", "key": "commitNum", "value": "" }, { "description": "The operation sequence number within the specified commit.", "key": "opNum", "value": "1" } ] } }, "status": "Internal Server Error", "code": 500, "_postman_previewlanguage": "text", "header": [], "cookie": [], "responseTime": null, "body": null, "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-607ec968-a7b0-42ee-98f2-78c38bd988d2" } ], "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-7bf9c333-6fcb-4f03-a4df-3479ae3c1ceb" } ], "id": "d7e921da-1995-4ddb-b005-0ebdc3dd50b7", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-d7e921da-1995-4ddb-b005-0ebdc3dd50b7" } ], "id": "983973b2-d75b-41fd-87fc-0ed51e830d78", "createdAt": "2026-06-05T15:00:42.000Z", "updatedAt": "2026-06-05T15:00:42.000Z", "uid": "35240-983973b2-d75b-41fd-87fc-0ed51e830d78" } ], "auth": { "type": "apikey", "apikey": [ { "key": "key", "value": "Authorization", "type": "string" }, { "key": "value", "value": "{{apiKey}}", "type": "string" }, { "key": "in", "value": "header", "type": "string" } ] }, "variable": [ { "key": "cluster-endpoint", "value": "your-cluster-endpoint.region.neptune.amazonaws.com" }, { "key": "baseUrl", "value": "https://{{cluster-endpoint}}:8182" } ] }