> ## Documentation Index > Fetch the complete documentation index at: https://docs.comfy.org/llms.txt > Use this file to discover all available pages before exploring further. # Use Arrow 2 Telos with Comfy Router > Call quiver/arrow-2-telos through Comfy Router: endpoint, request shape and the response Router returns. API Reference for `quiver/arrow-2-telos`, served by Comfy Router from Quiver. **Input:** Text, Image · **Output:** Image ## Quick start Create a key in [your Comfy workspace](https://platform.comfy.org/profile/api-keys?onboarding=router) and export it as `COMFY_API_KEY`. The Python and TypeScript snippets use the Comfy SDKs (`pip install comfy-sdk` and `npm install @comfyorg/sdk`); the cURL snippet is the same call over raw HTTP. **Model ID:** `quiver/arrow-2-telos` **Endpoint:** `POST https://api.comfy.org/v2/models/quiver/arrow-2-telos` > [tab] Wait for the result > > ```python Python theme={null} > from comfy_sdk import Comfy > > # Reads COMFY_API_KEY from the environment. > # The SDK automatically creates an idempotency key and reuses it for automatic retries. > with Comfy() as client: > result = client.models.run( > "quiver/arrow-2-telos", > { > "n": 1, > "prompt": "A single red maple leaf on a plain white background.", > }, > ) > > print(result) > ``` > > ```typescript TypeScript theme={null} > import { comfy } from "@comfyorg/sdk"; > > // Reads COMFY_API_KEY from the environment. > // The SDK automatically creates an idempotency key and reuses it for automatic retries. > const { data } = await comfy.models.run("quiver/arrow-2-telos", { > n: 1, > prompt: "A single red maple leaf on a plain white background.", > }); > > console.log(data); > ``` > > ```bash cURL theme={null} > curl https://api.comfy.org/v2/models/quiver/arrow-2-telos \ > -H "X-API-Key: $COMFY_API_KEY" \ > -H "Idempotency-Key: $(uuidgen)" \ > -H "Content-Type: application/json" \ > -d "{\"n\": 1, \"prompt\": \"A single red maple leaf on a plain white background.\"}" > ``` > [tab] Queue and collect later > > The same body, sent to `POST https://api.comfy.org/v2/models/quiver/arrow-2-telos/requests`. Router answers `201` with a `request_id` as soon as the run is admitted, and the result is collected once it is ready, from this process or another one. [Queued delivery](https://docs.comfy.org/development/comfy-router/queue.md) walks through status, cancellation and collection. > > ```python Python theme={null} > import asyncio > from comfy_sdk import AsyncComfy > > # Reads COMFY_API_KEY from the environment. > # Each submit() call mints its own Idempotency-Key and reuses it for automatic retries. > async def main(): > async with AsyncComfy() as client: > handle = await client.models.submit( > "quiver/arrow-2-telos", > { > "n": 1, > "prompt": "A single red maple leaf on a plain white background.", > }, > ) > print("request_id:", handle.request_id) # with the model ID, all another process needs > > # Poll until the request completes, waiting the Retry-After the server names. > async for update in handle.iter_events(): > print(update.status, update.queue_position) > > # The provider's own payload, the same value models.run() returns. > # A request that failed or was cancelled raises the typed Router error here. > result = await handle.get() > > print(result) > > asyncio.run(main()) > ``` > > ```typescript TypeScript theme={null} > import { comfy } from "@comfyorg/sdk"; > > // Reads COMFY_API_KEY from the environment. > // Each submit() call mints its own Idempotency-Key and reuses it for automatic retries. > const handle = await comfy.models.submit("quiver/arrow-2-telos", { > n: 1, > prompt: "A single red maple leaf on a plain white background.", > }); > console.log("requestId:", handle.requestId); // with the model ID, all another process needs > > // Poll until the request completes, waiting the Retry-After the server names. > for await (const update of handle.events()) { > console.log(update.status, update.queuePosition); > } > > // The same result models.run() returns. A request that failed or was cancelled rejects here. > const result = await handle.get(); > > console.log(result.data); > ``` > > ```bash cURL theme={null} > # 1. Submit. Router answers 201 with request_id, status_url, response_url and cancel_url. > curl https://api.comfy.org/v2/models/quiver/arrow-2-telos/requests \ > -H "X-API-Key: $COMFY_API_KEY" \ > -H "Idempotency-Key: $(uuidgen)" \ > -H "Content-Type: application/json" \ > -d "{\"n\": 1, \"prompt\": \"A single red maple leaf on a plain white background.\"}" > > # 2. Poll until status is COMPLETED, waiting the Retry-After seconds each response names. > REQUEST_ID="" > curl -i https://api.comfy.org/v2/models/quiver/arrow-2-telos/requests/$REQUEST_ID/status \ > -H "X-API-Key: $COMFY_API_KEY" > > # 3. Collect. 200 with the model's native output, 202 with the status body while it is still running. > curl https://api.comfy.org/v2/models/quiver/arrow-2-telos/requests/$REQUEST_ID \ > -H "X-API-Key: $COMFY_API_KEY" > ``` ## Schema ### Input **instructions** `string` Additional style or formatting guidance **max\_output\_tokens** `integer` Maximum number of output tokens Range: `1` to `131072` **model** `string` Model identifier for SVG generation **n** `integer` (default: 1) Number of SVGs to generate Range: `1` to `16` **presence\_penalty** `number` (default: 0) Penalty for tokens already present in prior output. Ignored by `arrow-2-telos`, which does not accept sampling parameters; the field is removed from the request before it is forwarded, without an error. Range: `-2` to `2` **prompt** `string` *required* Text description of the desired SVG output **references** `object | string (uri)[]` Optional reference images to guide style/composition. Accepts URL object, base64 object, or URL string shorthand. Runtime limits are model-specific. **temperature** `number` (default: 1) Sampling temperature. Ignored by `arrow-2-telos`, which does not accept sampling parameters; the field is removed from the request before it is forwarded, without an error. Range: `0` to `2` **top\_p** `number` (default: 1) Nucleus sampling probability. Ignored by `arrow-2-telos`, which does not accept sampling parameters; the field is removed from the request before it is forwarded, without an error. Range: `0` to `1` Generated from the schema Router serves at `GET /v2/models/quiver/arrow-2-telos/openapi.json`, the same document it validates a call against before the request reaches the provider. ### Output **created** `integer` *required* Unix timestamp of creation **credits** `integer` Credit cost for fixed-credit models such as arrow-1.1. Omitted for token-priced models such as arrow-2, which report measured token totals in usage. Range: `0` to `…` **data** `object[]` *required* **data\[].mime\_type** `string` *required* MIME type of the output Possible values: `image/svg+xml` **data\[].svg** `string` *required* Raw SVG markup **id** `string` *required* Unique identifier for the generation **usage** `object` Token totals for token-priced models such as arrow-2. Fixed-credit models may report zeros here. **usage.input\_tokens** `integer` Input token count for token-priced models. Range: `0` to `…` **usage.output\_tokens** `integer` Output token count for token-priced models. Range: `0` to `…` **usage.total\_tokens** `integer` Total token count for token-priced models. Range: `0` to `…` ## Examples ### Input ```json theme={null} { "n": 1, "prompt": "A single red maple leaf on a plain white background." } ``` ### Output ```json theme={null} { "created": 1767225600, "data": [ { "mime_type": "image/svg+xml", "svg": "" } ], "id": "svg_018f2c7a4b1e7c3d9a056e2f8b41d0c9", "usage": { "input_tokens": 180, "output_tokens": 240, "total_tokens": 420 } } ``` ## Before you ship The SDKs create an `Idempotency-Key` and reuse it for automatic retries. For manual retries, reuse the original key. Router can hold the connection for up to 10 minutes. When a request fails, Router sends an `X-Comfy-Error-Type` response header explaining why. A `422` means Router rejected the input before calling the provider, and a `413` means the request body was larger than Router accepts. Download generated assets promptly because [result URLs can expire](https://docs.comfy.org/development/comfy-router/reference.md#result-assets). Any size limit named in a field description above is the provider's own bound on that field, quoted from the provider's specification. Router applies a separate cap to the whole request body, which base64-encoded media counts against: see [request body size](https://docs.comfy.org/development/comfy-router/limitations.md#request-bodies-are-capped). This page documents one partner model called through Comfy Router. The same `comfy-sdk` / `@comfyorg/sdk` package also ships a second client, for running a whole ComfyUI workflow graph on Comfy Cloud: `Comfy(api_key=...)` / `new Comfy({ apiKey })`, with `client.workflows`, `client.assets` and `client.jobs`. See [Comfy SDKs](https://docs.comfy.org/development/api-development/sdks.md). > [card] [Headers](https://docs.comfy.org/development/comfy-router/headers.md) > > Authentication, idempotency, request IDs, error buckets, retry pacing, spend limits. > [card] [Using the Router API](https://docs.comfy.org/development/comfy-router/api.md) > > Model discovery, validation errors, retries, and billing. > [card] [Limitations](https://docs.comfy.org/development/comfy-router/limitations.md) > > What Router does not do today, and what to use instead. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.