---
title: "Generate SDP for a specific block in a flow."
method: GET
path: "/api/flows/{flow_id}/blocks/{block_id}/sdp"
tags: ["flows"]
---

# Generate SDP for a specific block in a flow.

`GET /api/flows/{flow_id}/blocks/{block_id}/sdp`

Returns the SDP (Session Description Protocol) data for AES67 output blocks.
This SDP can be used by receivers to connect to the audio stream.

## Path parameters

- `flow_id` string, required
- `block_id` string, required

## Response `200`

SDP generated successfully

## Other responses

- `400` — Block type does not support SDP
- `404` — Flow or block not found

---

[API](https://skmtc.dev/eyevinn/apis/strom-api.md) · [All operations](https://skmtc.dev/eyevinn/apis/strom-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/eyevinn/strom-api/revisions/0df7ca64263f/schema)