@cornelmasson could you cross check with your server endpoint.
i have just tested out a similar end point https://demo.openmrs.org/openmrs/ws/rest/v1/patient?q=abd&v=default&limit=1
on the demo server and it works fine
{
"results": [
{
"uuid": "0ff88de9-1ca1-4fda-9063-9087428a7d29",
"display": "100KK3 - abd uydgvh",
"identifiers": [
{
"uuid": "99b50bd9-cdc7-484e-94ee-a630b0e2f74c",
"display": "OpenMRS ID = 100KK3",
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/patient/0ff88de9-1ca1-4fda-9063-9087428a7d29/identifier/99b50bd9-cdc7-484e-94ee-a630b0e2f74c",
"resourceAlias": "identifier"
}
]
}
],
"person": {
"uuid": "0ff88de9-1ca1-4fda-9063-9087428a7d29",
"display": "abd uydgvh",
"gender": "F",
"age": 10,
"birthdate": "2012-02-12T00:00:00.000+0000",
"birthdateEstimated": false,
"dead": false,
"deathDate": null,
"causeOfDeath": null,
"preferredName": {
"uuid": "b0f473a6-14a0-4fe9-b119-ac152c071659",
"display": "abd uydgvh",
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/person/0ff88de9-1ca1-4fda-9063-9087428a7d29/name/b0f473a6-14a0-4fe9-b119-ac152c071659",
"resourceAlias": "name"
}
]
},
"preferredAddress": {
"uuid": "334b3b16-bece-4320-bab0-d2f9d78b291f",
"display": "sdcjdbsnv",
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/person/0ff88de9-1ca1-4fda-9063-9087428a7d29/address/334b3b16-bece-4320-bab0-d2f9d78b291f",
"resourceAlias": "address"
}
]
},
"attributes": [
{
"uuid": "562b76cd-d06d-4118-8eeb-a29e5693ef4e",
"display": "Telephone Number = 1452564732",
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/person/0ff88de9-1ca1-4fda-9063-9087428a7d29/attribute/562b76cd-d06d-4118-8eeb-a29e5693ef4e",
"resourceAlias": "attribute"
}
]
}
],
"voided": false,
"birthtime": null,
"deathdateEstimated": false,
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/person/0ff88de9-1ca1-4fda-9063-9087428a7d29",
"resourceAlias": "person"
},
{
"rel": "full",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/person/0ff88de9-1ca1-4fda-9063-9087428a7d29?v=full",
"resourceAlias": "person"
}
],
"resourceVersion": "1.11"
},
"voided": false,
"links": [
{
"rel": "self",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/patient/0ff88de9-1ca1-4fda-9063-9087428a7d29",
"resourceAlias": "patient"
},
{
"rel": "full",
"uri": "http://demo.openmrs.org/openmrs/ws/rest/v1/patient/0ff88de9-1ca1-4fda-9063-9087428a7d29?v=full",
"resourceAlias": "patient"
}
],
"resourceVersion": "1.8"
}
]
}