Get branch merge preview
curl --request GET \
--url https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"source_branch": {
"id": "0f6d3c1e-2a4b-4c8d-9e7f-1a2b3c4d5e6f",
"name": "feature-header",
"project_id": "3b9e2c7a-5d41-4f8e-9a6b-2c1d0e9f8a7b",
"base_branch_id": "7c1d2e3f-4a5b-4c6d-8e9f-0a1b2c3d4e5f",
"created_at": "2026-10-10T12:00:00.000Z",
"created_by": "9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d",
"merged_at": null,
"merged_by": null,
"status": "active",
"updated_at": "2026-10-10T12:00:00.000Z",
"version": 4,
"description": null,
"auto_delete_on_merge": false
},
"target_branch_id": null,
"target_branch_name": "main",
"diffs": [
{
"file_id": "4f5e6d7c-8b9a-4c0d-9e1f-2a3b4c5d6e7f",
"file_path": "pages/index.tsx",
"file_type": "page",
"has_conflicts": false,
"conflict_count": 0,
"conflict_regions": [],
"is_new": false,
"is_deleted": false,
"is_modified": true,
"base_changed": false,
"branch_changed": true,
"base_content": "export default 1",
"target_content": "export default 1",
"source_content": "export default 2",
"original_content": "export default 1",
"modified_content": "export default 2"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}Get branch merge preview
Show the file-by-file changes a merge would apply, with conflict regions and contents. Requires project.read.
GET
/
projects
/
{project_reference}
/
branches
/
{branch_id}
/
merge-preview
Get branch merge preview
curl --request GET \
--url https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.veryfront.com/projects/{project_reference}/branches/{branch_id}/merge-preview")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"source_branch": {
"id": "0f6d3c1e-2a4b-4c8d-9e7f-1a2b3c4d5e6f",
"name": "feature-header",
"project_id": "3b9e2c7a-5d41-4f8e-9a6b-2c1d0e9f8a7b",
"base_branch_id": "7c1d2e3f-4a5b-4c6d-8e9f-0a1b2c3d4e5f",
"created_at": "2026-10-10T12:00:00.000Z",
"created_by": "9a8b7c6d-5e4f-4a3b-8c2d-1e0f9a8b7c6d",
"merged_at": null,
"merged_by": null,
"status": "active",
"updated_at": "2026-10-10T12:00:00.000Z",
"version": 4,
"description": null,
"auto_delete_on_merge": false
},
"target_branch_id": null,
"target_branch_name": "main",
"diffs": [
{
"file_id": "4f5e6d7c-8b9a-4c0d-9e1f-2a3b4c5d6e7f",
"file_path": "pages/index.tsx",
"file_type": "page",
"has_conflicts": false,
"conflict_count": 0,
"conflict_regions": [],
"is_new": false,
"is_deleted": false,
"is_modified": true,
"base_changed": false,
"branch_changed": true,
"base_content": "export default 1",
"target_content": "export default 1",
"source_content": "export default 2",
"original_content": "export default 1",
"modified_content": "export default 2"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}{
"type": "https://api.veryfront.com/errors/validation-failed",
"title": "Validation Failed",
"status": 400,
"cause": "schedule_concurrency_forbidden",
"idempotency": {
"state": "in_progress",
"operation": "<string>",
"retryable": true,
"retry_after_seconds": 1,
"expires_at": "<string>",
"recovery": {
"available": true,
"description": "<string>",
"resource_url": "<string>"
}
},
"code": "RUN_INVALID_INPUT",
"detail": "The 'email' field must be a valid email address",
"instance": "/projects/my-project/members",
"slug": "validation-failed",
"category": "VALIDATION",
"suggestion": "Check the request body and query parameters against the API documentation.",
"errors": [
{
"field": "email",
"message": "Invalid email format",
"code": "INVALID_FORMAT"
}
]
}Authorizations
bearerAuthapiKeyAuth
Use a JWT bearer token or a Veryfront API key in the Authorization header.
Path Parameters
Project slug, UUID, or domain that identifies the project.
Branch UUID belonging to the selected project. Missing or foreign branches return 404.
Query Parameters
Target branch ID; omit for main. An unknown target returns not found. Merge eligibility and conflicts are checked again when the merge commits.