{
  "opencollection": "1.0.0",
  "info": {
    "name": "Blend Public API",
    "version": "12.0.0",
    "description": "Documented REST surface of the Blend Labs digital lending and account-opening platform (developers.blend.com). Base URL https://api.blendlabs.com (production) or https://api.beta.blendlabs.com (beta). Requests use an authorization Bearer token plus blend-api-version and blend-target-instance (tenant~instance) headers. Access is credential-gated - tokens are issued to Blend customers and certified partners. Endpoints modeled from Blend's public documentation."
  },
  "request": {
    "auth": {
      "type": "bearer",
      "token": "{{bearerToken}}"
    }
  },
  "items": [
    {
      "info": { "name": "Home Lending Applications", "type": "folder" },
      "items": [
        {
          "info": { "name": "List home lending applications", "type": "http" },
          "http": { "method": "GET", "url": "https://api.blendlabs.com/home-lending/applications?exportable=true" },
          "docs": "Lists home lending applications, with filters for export flows."
        },
        {
          "info": { "name": "Create a home lending application", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/home-lending/applications",
            "body": { "type": "json", "data": "{\n  \"party\": {\n    \"name\": { \"firstName\": \"Jane\", \"lastName\": \"Doe\" },\n    \"email\": \"jane.doe@example.com\"\n  },\n  \"loanPurposeType\": \"PURCHASE\"\n}" }
          },
          "docs": "Creates a home lending application. Minimum input is the primary borrower name and email."
        },
        {
          "info": { "name": "Get application data", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/home-lending/applications/:id",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }]
          },
          "docs": "Retrieves a home lending application by ID."
        },
        {
          "info": { "name": "Update application (losId, archive)", "type": "http" },
          "http": {
            "method": "PATCH",
            "url": "https://api.blendlabs.com/home-lending/applications/:id",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }],
            "body": { "type": "json", "data": "{\n  \"losId\": \"LOS-12345\"\n}" }
          },
          "docs": "Updates application metadata, including the losId, or archives it."
        }
      ]
    },
    {
      "info": { "name": "Documents & Export", "type": "folder" },
      "items": [
        {
          "info": { "name": "Export loan application file", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/home-lending/applications/:id/file-export?format=MISMO_3_4",
            "params": [
              { "name": "id", "value": "", "type": "path", "description": "The application ID." },
              { "name": "format", "value": "MISMO_3_4", "type": "query", "description": "FANNIE_MAE_3_2, MISMO_3_3_1, or MISMO_3_4." }
            ]
          },
          "docs": "Exports the loan application file in Fannie Mae 3.2 or MISMO 3.3.1/3.4 format."
        },
        {
          "info": { "name": "Update export status", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/home-lending/applications/:id/export-status",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }],
            "body": { "type": "json", "data": "{\n  \"status\": \"SUCCESS\"\n}" }
          },
          "docs": "Updates the export status (IN_PROGRESS, SUCCESS, FAILED) of an application."
        },
        {
          "info": { "name": "Get application documents", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/applications/:id/documents",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }]
          },
          "docs": "Retrieves the documents attached to an application."
        }
      ]
    },
    {
      "info": { "name": "Borrowers & Parties", "type": "folder" },
      "items": [
        {
          "info": { "name": "List parties", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/applications/:id/parties",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }]
          },
          "docs": "Lists the parties (borrowers, coborrowers) on an application."
        },
        {
          "info": { "name": "Add a party (coborrower)", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/applications/:id/parties",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }],
            "body": { "type": "json", "data": "{\n  \"name\": { \"firstName\": \"John\", \"lastName\": \"Doe\" },\n  \"email\": \"john.doe@example.com\"\n}" }
          },
          "docs": "Adds a coborrower or other party to an application."
        }
      ]
    },
    {
      "info": { "name": "Follow-ups", "type": "folder" },
      "items": [
        {
          "info": { "name": "List follow-ups", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/applications/:id/follow-ups",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }]
          },
          "docs": "Lists follow-ups (borrower tasks/conditions) on an application."
        },
        {
          "info": { "name": "Create a follow-up", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/applications/:id/follow-ups",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }],
            "body": { "type": "json", "data": "{\n  \"title\": \"Upload most recent pay stub\"\n}" }
          },
          "docs": "Creates a follow-up requesting a document or action from the borrower."
        }
      ]
    },
    {
      "info": { "name": "Closings & eSignature", "type": "folder" },
      "items": [
        {
          "info": { "name": "Create a closing", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/closings",
            "body": { "type": "json", "data": "{}" }
          },
          "docs": "Creates a closing."
        },
        {
          "info": { "name": "Submit (send) a closing", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/closings/:closingId/send",
            "params": [{ "name": "closingId", "value": "", "type": "path", "description": "The closing ID." }]
          },
          "docs": "Submits a closing for processing."
        }
      ]
    },
    {
      "info": { "name": "Events & Webhooks", "type": "folder" },
      "items": [
        {
          "info": { "name": "List events", "type": "http" },
          "http": { "method": "GET", "url": "https://api.blendlabs.com/events" },
          "docs": "Lists event notifications such as Application Submitted and Documents Submitted."
        },
        {
          "info": { "name": "Acknowledge event status", "type": "http" },
          "http": {
            "method": "POST",
            "url": "https://api.blendlabs.com/events/:eventId/status",
            "params": [{ "name": "eventId", "value": "", "type": "path", "description": "The event ID." }],
            "body": { "type": "json", "data": "{\n  \"status\": \"ACKNOWLEDGED\"\n}" }
          },
          "docs": "Acknowledges an event so it is not redelivered."
        }
      ]
    },
    {
      "info": { "name": "Lenders & Assignments", "type": "folder" },
      "items": [
        {
          "info": { "name": "List lenders", "type": "http" },
          "http": {
            "method": "GET",
            "url": "https://api.blendlabs.com/lenders?emails=loanofficer@example.com",
            "params": [{ "name": "emails", "value": "loanofficer@example.com", "type": "query", "description": "Comma-separated lender emails." }]
          },
          "docs": "Retrieves lender users available for assignment."
        },
        {
          "info": { "name": "Override assignees", "type": "http" },
          "http": {
            "method": "PUT",
            "url": "https://api.blendlabs.com/applications/:id/assignments",
            "params": [{ "name": "id", "value": "", "type": "path", "description": "The application ID." }],
            "body": { "type": "json", "data": "{\n  \"assignees\": [\n    { \"userId\": \"user-123\", \"role\": \"PRIMARY_ASSIGNEE\" }\n  ]\n}" }
          },
          "docs": "Overrides the users assigned to an application."
        }
      ]
    }
  ],
  "bundled": true
}