---
title: "Reserve a DNI (Dynamic Number Insertion) for an incoming call."
method: POST
path: "/v1/conversations/dni-reservation"
---

# Reserve a DNI (Dynamic Number Insertion) for an incoming call.

`POST /v1/conversations/dni-reservation`

Reserves a DNI, associating a temporary set of attributes to a specific virtual agent.

## Request body

- object
  - `attributes` object, required — Attributes that will be consumed by the virtual agent. Flexible mapping of key → value.

## Response `200`

Successfully reserved a DNI.

- object
  - `dni` string — The reserved DNI identifier.

## Other responses

- `400` — Bad Request.
- `401` — Unauthorized.
- `404` — No route available.
- `500` — Internal Server Error.

---

[API](https://skmtc.net/poly/apis/polyai-agents-api.md) · [All operations](https://skmtc.net/poly/apis/polyai-agents-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/poly/polyai-agents-api/versions/76f3c606e395/schema)