FHIR / Healthcare

Validate, query, convert, and render FHIR R4 resources

6 endpoints in this category. All require X-API-Key header.

Jump to: Validate FHIR Resource FHIRPath Query FHIR JSON to XML FHIR XML to JSON FHIR Bundle to HTML FHIR Bundle to CSV

Validate FHIR Resource

POST /api/ValidateFhirResource 1 token

Validate a FHIR R4 resource against the specification. Returns validation errors, warnings, and info messages.

Parameters
NameTypeRequiredDescription
resource object required FHIR resource as JSON object
options object optional Validation options: {errorOnUnexpected}
Request Example
JSON 
{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}
Code Examples
curl -X POST "https://docbutterfly.com/api/ValidateFhirResource" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""resource"": {""resourceType"": ""Patient"", ""id"": ""example"", ""name"": [{""use"": ""official"", ""given"": [""John""], ""family"": ""Doe""}], ""gender"": ""male"", ""birthDate"": ""1990-01-15""}}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/ValidateFhirResource", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/ValidateFhirResource"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/ValidateFhirResource
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "resource": {
│        "resourceType": "Patient",
│        "id": "example",
│        "name": [
│          {
│            "use": "official",
│            "given": [
│              "John"
│            ],
│            "family": "Doe"
│          }
│        ],
│        "gender": "male",
│        "birthDate": "1990-01-15"
│      }
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/ValidateFhirResource"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed

FHIRPath Query

POST /api/FhirPathQuery 1 token

Execute a FHIRPath expression against a FHIR resource or bundle. Supports filtering, functions, and type-aware navigation.

Parameters
NameTypeRequiredDescription
resource object required FHIR resource as JSON object
expression string required FHIRPath expression
variables object optional Environment variables for the expression
Request Example
JSON 
{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John", "Michael"], "family": "Doe"}], "birthDate": "1990-01-15", "telecom": [{"system": "email", "value": "john@example.com"}, {"system": "phone", "value": "555-1234"}]}, "expression": "Patient.name.given"}
Code Examples
curl -X POST "https://docbutterfly.com/api/FhirPathQuery" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John", "Michael"], "family": "Doe"}], "birthDate": "1990-01-15", "telecom": [{"system": "email", "value": "john@example.com"}, {"system": "phone", "value": "555-1234"}]}, "expression": "Patient.name.given"}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""resource"": {""resourceType"": ""Patient"", ""id"": ""example"", ""name"": [{""use"": ""official"", ""given"": [""John"", ""Michael""], ""family"": ""Doe""}], ""birthDate"": ""1990-01-15"", ""telecom"": [{""system"": ""email"", ""value"": ""john@example.com""}, {""system"": ""phone"", ""value"": ""555-1234""}]}, ""expression"": ""Patient.name.given""}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/FhirPathQuery", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/FhirPathQuery"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John", "Michael"], "family": "Doe"}], "birthDate": "1990-01-15", "telecom": [{"system": "email", "value": "john@example.com"}, {"system": "phone", "value": "555-1234"}]}, "expression": "Patient.name.given"}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/FhirPathQuery
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "resource": {
│        "resourceType": "Patient",
│        "id": "example",
│        "name": [
│          {
│            "use": "official",
│            "given": [
│              "John",
│              "Michael"
│            ],
│            "family": "Doe"
│          }
│        ],
│        "birthDate": "1990-01-15",
│        "telecom": [
│          {
│            "system": "email",
│            "value": "john@example.com"
│          },
│          {
│            "system": "phone",
│            "value": "555-1234"
│          }
│        ]
│      },
│      "expression": "Patient.name.given"
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/FhirPathQuery"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed

FHIR JSON to XML

POST /api/FhirJsonToXml 1 token

Convert a FHIR resource from JSON format to FHIR-compliant XML.

Parameters
NameTypeRequiredDescription
resource object required FHIR resource as JSON object
Request Example
JSON 
{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}
Code Examples
curl -X POST "https://docbutterfly.com/api/FhirJsonToXml" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""resource"": {""resourceType"": ""Patient"", ""id"": ""example"", ""name"": [{""use"": ""official"", ""given"": [""John""], ""family"": ""Doe""}], ""gender"": ""male"", ""birthDate"": ""1990-01-15""}}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/FhirJsonToXml", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/FhirJsonToXml"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"resource": {"resourceType": "Patient", "id": "example", "name": [{"use": "official", "given": ["John"], "family": "Doe"}], "gender": "male", "birthDate": "1990-01-15"}}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/FhirJsonToXml
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "resource": {
│        "resourceType": "Patient",
│        "id": "example",
│        "name": [
│          {
│            "use": "official",
│            "given": [
│              "John"
│            ],
│            "family": "Doe"
│          }
│        ],
│        "gender": "male",
│        "birthDate": "1990-01-15"
│      }
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/FhirJsonToXml"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed

FHIR XML to JSON

POST /api/FhirXmlToJson 1 token

Convert a FHIR resource from XML format to JSON.

Parameters
NameTypeRequiredDescription
xml string required FHIR resource as XML string
Request Example
JSON 
{"xml": "<Patient xmlns=\"http://hl7.org/fhir\"><id value=\"example\"/><name><use value=\"official\"/><given value=\"John\"/><family value=\"Doe\"/></name><gender value=\"male\"/><birthDate value=\"1990-01-15\"/></Patient>"}
Code Examples
curl -X POST "https://docbutterfly.com/api/FhirXmlToJson" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"xml": "<Patient xmlns=\"http://hl7.org/fhir\"><id value=\"example\"/><name><use value=\"official\"/><given value=\"John\"/><family value=\"Doe\"/></name><gender value=\"male\"/><birthDate value=\"1990-01-15\"/></Patient>"}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""xml"": ""<Patient xmlns=\""http://hl7.org/fhir\""><id value=\""example\""/><name><use value=\""official\""/><given value=\""John\""/><family value=\""Doe\""/></name><gender value=\""male\""/><birthDate value=\""1990-01-15\""/></Patient>""}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/FhirXmlToJson", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/FhirXmlToJson"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"xml": "<Patient xmlns=\"http://hl7.org/fhir\"><id value=\"example\"/><name><use value=\"official\"/><given value=\"John\"/><family value=\"Doe\"/></name><gender value=\"male\"/><birthDate value=\"1990-01-15\"/></Patient>"}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/FhirXmlToJson
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "xml": "\u003CPatient xmlns=\u0022http://hl7.org/fhir\u0022\u003E\u003Cid value=\u0022example\u0022/\u003E\u003Cname\u003E\u003Cuse value=\u0022official\u0022/\u003E\u003Cgiven value=\u0022John\u0022/\u003E\u003Cfamily value=\u0022Doe\u0022/\u003E\u003C/name\u003E\u003Cgender value=\u0022male\u0022/\u003E\u003CbirthDate value=\u00221990-01-15\u0022/\u003E\u003C/Patient\u003E"
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/FhirXmlToJson"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed

FHIR Bundle to HTML

POST /api/FhirBundleToHtml 2 tokens

Render a FHIR Bundle (or single resource) as a styled, human-readable HTML report. Supports Patient, Observation, Condition, Medication, Allergy, Encounter, Procedure, and more.

Parameters
NameTypeRequiredDescription
resource object required FHIR Bundle or resource as JSON
title string optional Report title
Request Example
JSON 
{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Patient", "id": "pat1", "name": [{"given": ["Jane"], "family": "Smith"}], "gender": "female", "birthDate": "1985-03-22"}}, {"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}]}, "title": "Patient Summary"}
Code Examples
curl -X POST "https://docbutterfly.com/api/FhirBundleToHtml" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Patient", "id": "pat1", "name": [{"given": ["Jane"], "family": "Smith"}], "gender": "female", "birthDate": "1985-03-22"}}, {"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}]}, "title": "Patient Summary"}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""resource"": {""resourceType"": ""Bundle"", ""type"": ""collection"", ""entry"": [{""resource"": {""resourceType"": ""Patient"", ""id"": ""pat1"", ""name"": [{""given"": [""Jane""], ""family"": ""Smith""}], ""gender"": ""female"", ""birthDate"": ""1985-03-22""}}, {""resource"": {""resourceType"": ""Observation"", ""id"": ""obs1"", ""status"": ""final"", ""code"": {""coding"": [{""system"": ""http://loinc.org"", ""code"": ""8867-4"", ""display"": ""Heart rate""}]}, ""valueQuantity"": {""value"": 72, ""unit"": ""beats/min""}, ""effectiveDateTime"": ""2024-01-15""}}]}, ""title"": ""Patient Summary""}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/FhirBundleToHtml", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/FhirBundleToHtml"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Patient", "id": "pat1", "name": [{"given": ["Jane"], "family": "Smith"}], "gender": "female", "birthDate": "1985-03-22"}}, {"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}]}, "title": "Patient Summary"}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/FhirBundleToHtml
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "resource": {
│        "resourceType": "Bundle",
│        "type": "collection",
│        "entry": [
│          {
│            "resource": {
│              "resourceType": "Patient",
│              "id": "pat1",
│              "name": [
│                {
│                  "given": [
│                    "Jane"
│                  ],
│                  "family": "Smith"
│                }
│              ],
│              "gender": "female",
│              "birthDate": "1985-03-22"
│            }
│          },
│          {
│            "resource": {
│              "resourceType": "Observation",
│              "id": "obs1",
│              "status": "final",
│              "code": {
│                "coding": [
│                  {
│                    "system": "http://loinc.org",
│                    "code": "8867-4",
│                    "display": "Heart rate"
│                  }
│                ]
│              },
│              "valueQuantity": {
│                "value": 72,
│                "unit": "beats/min"
│              },
│              "effectiveDateTime": "2024-01-15"
│            }
│          }
│        ]
│      },
│      "title": "Patient Summary"
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/FhirBundleToHtml"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed

FHIR Bundle to CSV

POST /api/FhirBundleToCsv 2 tokens

Extract key fields from FHIR Bundle entries into CSV format. Type-aware extraction for Patient, Observation, Condition, Medication, and more.

Parameters
NameTypeRequiredDescription
resource object required FHIR Bundle or resource as JSON
resourceTypeFilter string optional Filter to specific resource type
Request Example
JSON 
{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}, {"resource": {"resourceType": "Observation", "id": "obs2", "status": "final", "code": {"coding": [{"display": "Blood pressure"}]}, "valueString": "120/80 mmHg", "effectiveDateTime": "2024-01-15"}}]}, "resourceTypeFilter": "Observation"}
Code Examples
curl -X POST "https://docbutterfly.com/api/FhirBundleToCsv" \
  -H "X-API-Key: df_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}, {"resource": {"resourceType": "Observation", "id": "obs2", "status": "final", "code": {"coding": [{"display": "Blood pressure"}]}, "valueString": "120/80 mmHg", "effectiveDateTime": "2024-01-15"}}]}, "resourceTypeFilter": "Observation"}'
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "df_your_api_key_here");

var json = @"{""resource"": {""resourceType"": ""Bundle"", ""type"": ""collection"", ""entry"": [{""resource"": {""resourceType"": ""Observation"", ""id"": ""obs1"", ""status"": ""final"", ""code"": {""coding"": [{""system"": ""http://loinc.org"", ""code"": ""8867-4"", ""display"": ""Heart rate""}]}, ""valueQuantity"": {""value"": 72, ""unit"": ""beats/min""}, ""effectiveDateTime"": ""2024-01-15""}}, {""resource"": {""resourceType"": ""Observation"", ""id"": ""obs2"", ""status"": ""final"", ""code"": {""coding"": [{""display"": ""Blood pressure""}]}, ""valueString"": ""120/80 mmHg"", ""effectiveDateTime"": ""2024-01-15""}}]}, ""resourceTypeFilter"": ""Observation""}";
var content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");

var response = await client.PostAsync("https://docbutterfly.com/api/FhirBundleToCsv", content);
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);
import requests
import json

url = "https://docbutterfly.com/api/FhirBundleToCsv"
headers = {
    "X-API-Key": "df_your_api_key_here",
    "Content-Type": "application/json"
}
payload = json.loads('{"resource": {"resourceType": "Bundle", "type": "collection", "entry": [{"resource": {"resourceType": "Observation", "id": "obs1", "status": "final", "code": {"coding": [{"system": "http://loinc.org", "code": "8867-4", "display": "Heart rate"}]}, "valueQuantity": {"value": 72, "unit": "beats/min"}, "effectiveDateTime": "2024-01-15"}}, {"resource": {"resourceType": "Observation", "id": "obs2", "status": "final", "code": {"coding": [{"display": "Blood pressure"}]}, "valueString": "120/80 mmHg", "effectiveDateTime": "2024-01-15"}}]}, "resourceTypeFilter": "Observation"}')

response = requests.post(url, headers=headers, json=payload)
response.raise_for_status()

data = response.json()
print(json.dumps(data, indent=2))
┌─────────────────────────────────────────────┐
│  Power Automate - HTTP Action               │
├─────────────────────────────────────────────┤
│                                             │
│  Method:  POST                              │
│  URI:     https://docbutterfly.com/api/FhirBundleToCsv
│                                             │
│  Headers:                                   │
│    X-API-Key:    df_your_api_key_here       │
│    Content-Type: application/json           │
│                                             │
│  Body:                                      │
│    {
│      "resource": {
│        "resourceType": "Bundle",
│        "type": "collection",
│        "entry": [
│          {
│            "resource": {
│              "resourceType": "Observation",
│              "id": "obs1",
│              "status": "final",
│              "code": {
│                "coding": [
│                  {
│                    "system": "http://loinc.org",
│                    "code": "8867-4",
│                    "display": "Heart rate"
│                  }
│                ]
│              },
│              "valueQuantity": {
│                "value": 72,
│                "unit": "beats/min"
│              },
│              "effectiveDateTime": "2024-01-15"
│            }
│          },
│          {
│            "resource": {
│              "resourceType": "Observation",
│              "id": "obs2",
│              "status": "final",
│              "code": {
│                "coding": [
│                  {
│                    "display": "Blood pressure"
│                  }
│                ]
│              },
│              "valueString": "120/80 mmHg",
│              "effectiveDateTime": "2024-01-15"
│            }
│          }
│        ]
│      },
│      "resourceTypeFilter": "Observation"
│    }
│                                             │
└─────────────────────────────────────────────┘

Steps:
1. Add an HTTP action to your flow
2. Set Method to "POST"
3. Set URI to "https://docbutterfly.com/api/FhirBundleToCsv"
4. Add the headers shown above
5. Paste the Body JSON into the Body field
6. Replace placeholder values with dynamic content as needed
Try in Testbed