#1

GET https://tx.fhir.org/r4/metadata HTTP/1.1
Accept: application/fhir+json; fhirVersion=4.0
User-Agent: fhir/publisher

200
access-control-allow-credentials:true
connection:keep-alive
content-length:4229
content-type:application/fhir+json; charset=utf-8
date:Wed, 22 Jul 2026 10:50:22 GMT
etag:W/"1085-JAOyhwnWaJyHx7c2Kny8SrfdbSw"
server:nginx
vary:Origin
x-powered-by:Express
x-request-id:tx-5953671

{"resourceType":"CapabilityStatement","id":"FhirServer","extension":[{"extension":[{"url":"definition","valueCanonical":"http://hl7.org/fhir/uv/tx-tests/FeatureDefinition/test-version"},{"url":"value","valueCode":"1.9.1"},{"extension":[{"url":"name","valueCode":"mode"},{"url":"value","valueCode":"tx.fhir.org"}],"url":"qualifier"}],"url":"http://hl7.org/fhir/uv/application-feature/StructureDefinition/feature"},{"extension":[{"url":"definition","valueCanonical":"http://hl7.org/fhir/uv/tx-ecosystem/FeatureDefinition/CodeSystemAsParameter"},{"url":"value","valueBoolean":true}],"url":"http://hl7.org/fhir/uv/application-feature/StructureDefinition/feature"}],"url":"https://node.tx.fhir.org/r4/CapabilityStatement/tx","version":"4.0.1-0.10.1","name":"FHIRTerminologyServer","title":"FHIR Terminology Server","status":"active","date":"2026-07-22T10:50:22.659Z","contact":[{"telecom":[{"system":"other","value":"http://example.org/"}]}],"description":"FHIR Terminology Server","kind":"instance","instantiates":["http://hl7.org/fhir/CapabilityStatement/terminology-server"],"software":{"name":"FHIRsmith","version":"0.10.1","releaseDate":"2026-07-22T10:50:22.659Z"},"implementation":{"description":"FHIR Server running at https://node.tx.fhir.org/r4","url":"https://node.tx.fhir.org/r4"},"fhirVersion":"4.0.1","format":["application/fhir+xml","application/fhir+json"],"rest":[{"mode":"server","security":{"cors":true},"resource":[{"type":"CodeSystem","interaction":[{"code":"read","documentation":"Read a code system"},{"code":"search-type","documentation":"Search the code systems"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"lookup","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-validate-code"},{"name":"subsumes","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-subsumes"}]},{"type":"ValueSet","interaction":[{"code":"read","documentation":"Read a ValueSet"},{"code":"search-type","documentation":"Search the value sets"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"expand","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-expand"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-validate-code"},{"name":"compare","definition":"http://hl7.org/fhir/tools/OperationDefinition/ValueSet-compare"}]},{"type":"ConceptMap","interaction":[{"code":"read","documentation":"Read a ConceptMap"},{"code":"search-type","documentation":"Search the concept maps"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"translate","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-translate"},{"name":"closure","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-closure"}]}],"interaction":[{"code":"transaction"}],"operation":[{"name":"expand","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-expand"},{"name":"lookup","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup"},{"name":"subsumes","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-subsumes"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/Resource-validate-code"},{"name":"translate","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-translate"},{"name":"closure","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-closure"},{"name":"compare","definition":"http://hl7.org/fhir/tools/OperationDefinition/ValueSet-compare"},{"name":"cache-control","definition":"http://hl7.org/fhir/tools/OperationDefinition/cache-control"},{"name":"versions","definition":"http://hl7.org/fhir/OperationDefinition/fhir-versions"}]}]}

#2

POST https://tx.fhir.org/r4/$cache-control?mode=start HTTP/1.1
Accept: application/fhir+json; fhirVersion=4.0
Content-Type: application/fhir+json; fhirVersion=4.0;charset=UTF-8
User-Agent: fhir/publisher

{"resourceType":"Parameters","parameter":[{"name":"sealed","valueBoolean":false}]}

200
access-control-allow-credentials:true
connection:keep-alive
content-length:112
content-type:application/fhir+json; charset=utf-8
date:Wed, 22 Jul 2026 10:50:22 GMT
etag:W/"70-rielLkOM0O2gLaX3EztVUF743X0"
server:nginx
vary:Origin
x-powered-by:Express
x-request-id:tx-5953672

{"resourceType":"Parameters","parameter":[{"name":"cache-id","valueId":"583652cd-01fe-4267-8d7d-a2ff270843b4"}]}

#3

GET https://tx.fhir.org/r4/metadata HTTP/1.1
Accept: application/fhir+json; fhirVersion=4.0
X-Cache-Id: 583652cd-01fe-4267-8d7d-a2ff270843b4
User-Agent: fhir/publisher

200
access-control-allow-credentials:true
connection:keep-alive
content-length:4229
content-type:application/fhir+json; charset=utf-8
date:Wed, 22 Jul 2026 10:50:40 GMT
etag:W/"1085-NGxnX9e28SP7K+3mRf/JkOdv1eo"
server:nginx
vary:Origin
x-powered-by:Express
x-request-id:tx-5953730

{"resourceType":"CapabilityStatement","id":"FhirServer","extension":[{"extension":[{"url":"definition","valueCanonical":"http://hl7.org/fhir/uv/tx-tests/FeatureDefinition/test-version"},{"url":"value","valueCode":"1.9.1"},{"extension":[{"url":"name","valueCode":"mode"},{"url":"value","valueCode":"tx.fhir.org"}],"url":"qualifier"}],"url":"http://hl7.org/fhir/uv/application-feature/StructureDefinition/feature"},{"extension":[{"url":"definition","valueCanonical":"http://hl7.org/fhir/uv/tx-ecosystem/FeatureDefinition/CodeSystemAsParameter"},{"url":"value","valueBoolean":true}],"url":"http://hl7.org/fhir/uv/application-feature/StructureDefinition/feature"}],"url":"https://node.tx.fhir.org/r4/CapabilityStatement/tx","version":"4.0.1-0.10.1","name":"FHIRTerminologyServer","title":"FHIR Terminology Server","status":"active","date":"2026-07-22T10:50:40.487Z","contact":[{"telecom":[{"system":"other","value":"http://example.org/"}]}],"description":"FHIR Terminology Server","kind":"instance","instantiates":["http://hl7.org/fhir/CapabilityStatement/terminology-server"],"software":{"name":"FHIRsmith","version":"0.10.1","releaseDate":"2026-07-22T10:50:40.487Z"},"implementation":{"description":"FHIR Server running at https://node.tx.fhir.org/r4","url":"https://node.tx.fhir.org/r4"},"fhirVersion":"4.0.1","format":["application/fhir+xml","application/fhir+json"],"rest":[{"mode":"server","security":{"cors":true},"resource":[{"type":"CodeSystem","interaction":[{"code":"read","documentation":"Read a code system"},{"code":"search-type","documentation":"Search the code systems"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"lookup","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-validate-code"},{"name":"subsumes","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-subsumes"}]},{"type":"ValueSet","interaction":[{"code":"read","documentation":"Read a ValueSet"},{"code":"search-type","documentation":"Search the value sets"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"expand","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-expand"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-validate-code"},{"name":"compare","definition":"http://hl7.org/fhir/tools/OperationDefinition/ValueSet-compare"}]},{"type":"ConceptMap","interaction":[{"code":"read","documentation":"Read a ConceptMap"},{"code":"search-type","documentation":"Search the concept maps"}],"searchParam":[{"name":"url","type":"uri"},{"name":"version","type":"token"},{"name":"name","type":"string"},{"name":"title","type":"string"},{"name":"status","type":"token"},{"name":"_id","type":"token"}],"operation":[{"name":"translate","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-translate"},{"name":"closure","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-closure"}]}],"interaction":[{"code":"transaction"}],"operation":[{"name":"expand","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-expand"},{"name":"lookup","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup"},{"name":"subsumes","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-subsumes"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/Resource-validate-code"},{"name":"translate","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-translate"},{"name":"closure","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-closure"},{"name":"compare","definition":"http://hl7.org/fhir/tools/OperationDefinition/ValueSet-compare"},{"name":"cache-control","definition":"http://hl7.org/fhir/tools/OperationDefinition/cache-control"},{"name":"versions","definition":"http://hl7.org/fhir/OperationDefinition/fhir-versions"}]}]}

#4

POST https://tx.fhir.org/r4/$cache-control?mode=end HTTP/1.1
Accept: application/fhir+json; fhirVersion=4.0
Content-Type: application/fhir+json; fhirVersion=4.0;charset=UTF-8
X-Cache-Id: 583652cd-01fe-4267-8d7d-a2ff270843b4
User-Agent: fhir/publisher

{"resourceType":"Parameters"}

200
access-control-allow-credentials:true
connection:keep-alive
content-length:44
content-type:application/fhir+json; charset=utf-8
date:Wed, 22 Jul 2026 10:51:07 GMT
etag:W/"2c-x1uJoaQHjLTPHoTrltn2q6mUG9w"
server:nginx
vary:Origin
x-powered-by:Express
x-request-id:tx-5953814

{"resourceType":"Parameters","parameter":[]}