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Base URL

https://api.raindrop.ai/v1

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Authentication

All API requests must include your SDK write key in the Authorization header: 
Authorization: Bearer YOUR_WRITE_KEY
You can get your api key by logging in to app.raindrop.ai (bottom of the tab bar!)

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Endpoints

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Track Event

Track any event, including AI interactions and normal analytics events. POST /events/track Request Body (Must be provided as an array of objects)
FieldTypeDescription
user_idstringThe unique identifier of the user
eventstringThe name of the event you want to track
propertiesobject(Optional) Additional properties associated with the event.
attachmentsarray(Optional) Array of attachments to include with the event.
ai_dataobject(Optional) Object containing AI-specific data for AI events. If provided, either input or output (or both) is required.
ai_data.modelstring(Optional) The name of the AI model used
ai_data.inputstring(Optional) The input provided by the user. IF
ai_data.outputstring(Optional) The output generated by the AI
ai_data.convo_idstring(Optional) The conversation ID associated with the interaction
Example Request - AI Interaction 
POST /events/track HTTP/1.1
Host: api.raindrop.ai
Authorization: Bearer YOUR_WRITE_KEY
Content-Type: application/json

[{
  "user_id": "user123",
  "event": "ai_interaction",
  "properties": {
    "tool_call": "reasoning_engine",
    "system_prompt": "you are a helpful...",
    "experiment": "experiment_a",
  },
  "ai_data": {
    "model": "gpt_4",
    "input": "What is the weather like today?",
    "output": "The weather is sunny and warm.",
    "convo_id": "conv789"
  },
  "attachments": [
    {
        "type": "image",
        "value": "https://example.com/image.png",
        "role": "output"
    },
    {
        "type": "code",
        "name": "Example Code",
        "value": "console.log('Hello, World!');",
        "role": "input",
        "language": "javascript",
    },
  ]
}]
Response All authorized requests will return a 204 Success status code. For debugging failures, contact us: founders@raindrop.ai
Event has a limit of 1 MB. Properties will be truncated for larger events. Contact us if you have custom requirements.

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Track Signal

Track positive or negative user signals such as thumbs up, thumbs down, output schema failures, user edits, regenerations, and other ground-truth signals about your AI product’s performance. Each signal must be associated with an event_id for an event that was sent to Raindrop with the /events/track endpoint. POST /signals/track Request Body (Must be provided as an array of objects)
FieldTypeDescription
event_idstringThe event_id of the event that you sent to Raindrop
signal_namestringThe name of the signal (e.g., “thumbs_up”, “thumbs_down”)
timestampstring(Optional) ISO timestamp when the signal occurred
propertiesobject(Optional) Additional properties associated with the signal
attachment_idstring(Optional) Reference to a previously sent attachment
signal_typestring(Optional) Type of signal: “default”, “feedback”, “edit”, or “standard”
Example Request 
POST /signals/track HTTP/1.1
Host: api.raindrop.ai
Authorization: Bearer YOUR_WRITE_KEY
Content-Type: application/json

[{
  "event_id": "123456789",
  "signal_name": "thumbs_up",
  "properties": {
    "location": "chat_ui",
  },
  "signal_type": "default"
}]
Response All authorized requests will return a 204 Success status code. For debugging failures, contact us: founders@raindrop.ai

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Identify User

Associate traits with a user. POST /users/identify Request Body
FieldTypeDescription
user_idstringThe unique identifier of the user
traitsobjectThe traits associated with the user
Example Request 
POST /users/identify HTTP/1.1
Host: api.raindrop.ai
Authorization: Bearer YOUR_WRITE_KEY
Content-Type: application/json

{
  "user_id": "user123",
  "traits": {
    "name": "John Doe",
    "email": "john@example.com",
    "age": 30,
    "plan": "paid", //we recommend 'free', 'paid', 'trial'
  }
}
Response All authorized requests will return a 204 Success status code. For debugging failures, contact us: founders@raindrop.ai.