Hi All, I've been banging my head about this issue for a couple of days... I wonder if it's normal that it's not possible to combine multiple API calls into a single one to create multiple instances of service using only one API REST call The attached example can help you to understand what I mean thank you for your time Francesco Header 1 cisco ~ $ ncs_cli -u admin -C admin connected from x.x.x.x using ssh on debian admin@ncs# conf Entering configuration mode terminal admin@ncs(config)# services vrf R3 VRFBLUE rd 65000:65000 admin@ncs(config-vrf-R3/VRFBLUE)# address-family ipv4 route-target 1 export 65000:65000 import 65000:65000 admin@ncs(config-route-target-1)# address-family ipv4 route-target 2 export 65000:65001 import 65000:65001 admin@ncs(config-route-target-2)# commit dry-run outformat xml result-xml {     local-node {         data <devices xmlns=" http://tail-f.com/ns/ncs ">                <device>                  <name>R3</name>                  <config>                    <vrf xmlns="urn:ios">                      <definition>                        <name>VRFBLUE</name>                        <rd>65000:65000</rd>                        <address-family>                          <ipv4>                            <route-target>                              <export>                                <asn-ip>65000:65000</asn-ip>                              </export>                              <export>                                <asn-ip>65000:65001</asn-ip>                              </export>                              <import>                                <asn-ip>65000:65000</asn-ip>                              </import>                              <import>                                <asn-ip>65000:65001</asn-ip>                              </import>                            </route-target>                          </ipv4>                        </address-family>                      </definition>                    </vrf>                  </config>                </device>              </devices>              <services xmlns=" http://tail-f.com/ns/ncs ">                <vrf xmlns=" http://example.com/vrf ">                  <device>R3</device>                  <vpn-name>VRFBLUE</vpn-name>                  <rd>65000:65000</rd>                  <address-family>                    <af>ipv4</af>                    <route-target>                      <id>1</id>                      <import>65000:65000</import>                      <export>65000:65000</export>                    </route-target>                    <route-target>                      <id>2</id>                      <import>65000:65001</import>                      <export>65000:65001</export>                    </route-target>                  </address-family>                </vrf>              </services>     } } admin@ncs(config-route-target-2)# Uncommitted changes found, commit them? [yes/no/CANCEL] no admin@ncs# exit cisco ~ $ cat << EOF > v.xml >                <vrf xmlns=" http://example.com/vrf ">                      <export>65000:65000</export> >                  <device>R3</device> >                  <vpn-name>VRFBLUE</vpn-name> >                  <rd>65000:65000</rd> >                  <address-family> >                    <af>ipv4</af> >                    <route-target> >                      <id>1</id> >                      <import>65000:65000</import> >                      <export>65000:65000</export> >                    </route-target> >                    <route-target> >                      <id>2</id> >                      <import>65000:65001</import> >                      <export>65000:65001</export> >                    </route-target> >                  </address-family> >                </vrf> > > EOF cisco ~ $ cat v.xml                <vrf xmlns=" http://example.com/vrf ">                  <device>R3</device>                  <vpn-name>VRFBLUE</vpn-name>                  <rd>65000:65000</rd>                  <address-family>                    <af>ipv4</af>                    <route-target>                      <id>1</id>                      <import>65000:65000</import>                      <export>65000:65000</export>                    </route-target>                    <route-target>                      <id>2</id>                      <import>65000:65001</import>                      <export>65000:65001</export>                    </route-target>                  </address-family>                </vrf> cisco ~ $ curl -I --header 'Authorization: Basic YWRtaW46YWRtaW4=' --header 'Content-Type: application/vnd.yang.data+xml' -X POST -T v.xml  http://10.58.0.24:8080/api/config/services?dry-run=native HTTP/1.1 100 Continue Server: Allow: GET, POST, OPTIONS, HEAD Content-Length: 0 HTTP/1.1 201 Created Server: Location: http://10.58.0.24:8080/api/config/services/vrf:vrf/R3,VRFBLUE Date: Wed, 13 Jun 2018 06:26:47 GMT Allow: GET, POST, OPTIONS, HEAD Last-Modified: Wed, 13 Jun 2018 06:21:50 GMT Cache-Control: private, no-cache, must-revalidate, proxy-revalidate Etag: 1528-870910-103174 Content-Length: 388 Content-Type: text/xml Vary: Accept-Encoding Access-Control-Allow-Methods: GET,POST,OPTIONS,PUT,DELETE Access-Control-Allow-Headers: access-control-allow-credentials,access-control-allow-headers,access-control-allow-methods,access-control-allow-origin,authorization,content-type Access-Control-Allow-Credentials: true Access-Control-Allow-Origin: * Pragma: no-cache <dry-run-result xmlns=' http://tail-f.com/ns/rest/dry-run '> <native> <device> <name>R3</name> <data> ! Generated offline vrf definition VRFBLUE rd 65000:65000 address-family ipv4   route-target export 65000:65000   route-target export 65000:65001   route-target import 65000:65000   route-target import 65000:65001   exit-address-family ! ! </data> </device> </native> </dry-run-result>cisco ~ $ </dry-run-result>cisco ~ $ cat << EOF > v.xml >  <vrf xmlns=" http://example.com/vrf "> >                  <device>R3</device> >                  <vpn-name>VRFBLUE</vpn-name> >                  <rd>65000:65000</rd> >                  <address-family> >                    <af>ipv4</af> >                    <route-target> >                      <id>1</id> >                      <import>65000:65000</import> >                      <export>65000:65000</export> >                    </route-target> >                    <route-target> >                      <id>2</id> >                      <import>65000:65001</import> >                      <export>65000:65001</export> >                    </route-target> >                  </address-family> >                </vrf> >                <vrf xmlns=" http://example.com/vrf ">                  <vpn-name>VRFBLUE</vpn-name> >                  <device>R4</device> >                  <vpn-name>VRFBLUE</vpn-name> >                  <rd>65000:65000</rd> >                  <address-family> >                    <af>ipv4</af> >                    <route-target> >                      <id>1</id> >                      <import>65000:65000</import> >                      <export>65000:65000</export> >                    </route-target> >                    <route-target> >                      <id>2</id> >                      <import>65000:65001</import> >                      <export>65000:65001</export> >                    </route-target> >                  </address-family> >                </vrf> > EOF cisco ~ $ cat v.xml <vrf xmlns=" http://example.com/vrf ">                  <device>R3</device>                  <vpn-name>VRFBLUE</vpn-name>                  <rd>65000:65000</rd>                  <address-family>                    <af>ipv4</af>                    <route-target>                      <id>1</id>                      <import>65000:65000</import>                      <export>65000:65000</export>                    </route-target>                    <route-target>                      <id>2</id>                      <import>65000:65001</import>                      <export>65000:65001</export>                    </route-target>                  </address-family>                </vrf>                <vrf xmlns=" http://example.com/vrf ">                  <device>R4</device>                  <vpn-name>VRFBLUE</vpn-name>                  <rd>65000:65000</rd>                  <address-family>                    <af>ipv4</af>                    <route-target>                      <id>1</id>                      <import>65000:65000</import>                      <export>65000:65000</export>                    </route-target>                    <route-target>                      <id>2</id>                      <import>65000:65001</import>                      <export>65000:65001</export>                    </route-target>                  </address-family>                </vrf> cisco ~ $ curl -I --header 'Authorization: Basic YWRtaW46YWRtaW4=' --header 'Content-Type: application/vnd.yang.data+xml' -X POST -T v.xml  http://10.58.0.24:8080/api/config/services?dry-run=native HTTP/1.1 100 Continue Server: Allow: GET, POST, OPTIONS, HEAD Content-Length: 0 HTTP/1.1 400 Bad Request Server: Date: Wed, 13 Jun 2018 06:28:17 GMT Allow: GET, POST, OPTIONS, HEAD Cache-Control: private, no-cache, must-revalidate, proxy-revalidate Content-Length: 253 Content-Type: text/xml Vary: Accept-Encoding Access-Control-Allow-Methods: GET,POST,OPTIONS,PUT,DELETE Access-Control-Allow-Headers: access-control-allow-credentials,access-control-allow-headers,access-control-allow-methods,access-control-allow-origin,authorization,content-type Access-Control-Allow-Credentials: true Access-Control-Allow-Origin: * Pragma: no-cache <errors xmlns=" http://tail-f.com/ns/tailf-rest-error ">   <error>     <error-tag>malformed-message</error-tag>     <error-urlpath>/api/config/services</error-urlpath>     <error-message>unexpected trailing data: vrf</error-message>   </error> </errors> ... 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