Api Endpoint

Orthogonal

Forward a message to new recipients

Open interactive test console

Offering

Provider
Orthogonal
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Infrastructure
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://np.orthogonal.com/agentmail/v0/inboxes/%7Binbox_id%7D/messages/%7Bmessage_id%7D/forward
MIME type
application/json
First seen
2026-10-16T01:50:03.832Z
Last seen
Tags
X402, paid-api, orthogonal-proxy, agentmail, data-apis, Email, AI-agents, inbox, Messaging

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
10000 atomic units
Atomic price: 10000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0xaA4a75114b5BdA671844ae10256d2B048dF8fdc3"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "10000",
    "payTo": "0xaA4a75114b5BdA671844ae10256d2B048dF8fdc3"
  }
]

Observed health

Status
Healthy
Latest latency
108 ms
Average latency
87 ms
HTTP status
204
Last checked
Reachability
100% over 11 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "body": {
    "type": "object",
    "title": "SendMessageRequest",
    "properties": {
      "cc": {
        "oneOf": [
          {
            "type": "string"
          },
          {
            "type": "array",
            "items": {
              "type": "string"
            }
          }
        ],
        "title": "Addresses"
      },
      "to": {
        "$ref": "#/components/schemas/type_messages:Addresses",
        "title": "SendMessageTo",
        "description": "Recipient address or addresses."
      },
      "bcc": {
        "$ref": "#/components/schemas/type_messages:Addresses",
        "title": "SendMessageBcc",
        "description": "BCC recipient address or addresses."
      },
      "html": {
        "type": "string",
        "title": "MessageHtml",
        "description": "HTML body of message."
      },
      "text": {
        "type": "string",
        "title": "MessageText",
        "description": "Plain text body of message."
      },
      "labels": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "title": "MessageLabels",
        "description": "Labels of message."
      },
      "headers": {
        "type": "object",
        "title": "SendMessageHeaders",
        "description": "Headers to include in message.",
        "additionalProperties": {
          "type": "string"
        }
      },
      "subject": {
        "type": "string",
        "title": "MessageSubject",
        "description": "Subject of message."
      },
      "reply_to": {
        "$ref": "#/components/schemas/type_messages:Addresses",
        "title": "SendMessageReplyTo",
        "description": "Reply-to address or addresses."
      },
      "attachments": {
        "type": "array",
        "items": {
          "type": "object",
          "title": "SendAttachment",
          "properties": {
            "url": {
              "type": "string",
              "description": "URL to the attachment."
            },
            "content": {
              "type": "string",
              "description": "Base64 encoded content of attachment."
            },
            "filename": {
              "type": "string",
              "title": "AttachmentFilename",
              "description": "Filename of attachment."
            },
            "content_id": {
              "type": "string",
              "title": "AttachmentContentId",
              "description": "Content ID of attachment."
            },
            "content_type": {
              "type": "string",
              "title": "AttachmentContentType",
              "description": "Content type of attachment."
            },
            "content_disposition": {
              "enum": [
                "inline",
                "attachment"
              ],
              "type": "string",
              "title": "AttachmentContentDisposition",
              "description": "Content disposition of attachment."
            }
          }
        },
        "title": "SendMessageAttachments",
        "description": "Attachments to include in message."
      }
    }
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "pathParams": {
    "type": "object",
    "required": [
      "inbox_id",
      "message_id"
    ],
    "properties": {
      "inbox_id": {
        "$ref": "#/components/schemas/type_inboxes:InboxId",
        "description": "path parameter"
      },
      "message_id": {
        "$ref": "#/components/schemas/type_messages:MessageId",
        "description": "path parameter"
      }
    }
  }
}

Output schema

{
  "type": "object",
  "title": "SendMessageResponse",
  "required": [
    "message_id",
    "thread_id"
  ],
  "properties": {
    "thread_id": {
      "type": "string",
      "title": "ThreadId",
      "description": "ID of thread."
    },
    "message_id": {
      "type": "string",
      "title": "MessageId",
      "description": "ID of message."
    }
  }
}