---
title: "Add a new subscriber"
method: POST
path: "/v1/subscribers"
tags: ["subscribers"]
---

# Add a new subscriber

`POST /v1/subscribers`

Add a new subscriber to your publication. The publication is identified by the API key provided in the Authorization header.

**Requirements:**
- At least one of `email` or `wallet` must be provided
- If both are provided, the subscriber will be associated with both credentials

**Behavior:**
- If the subscriber already exists (by email or wallet), they will not be duplicated

## Request body

- object
  - `email` string, email — Email address of the subscriber
  - `wallet` string — Wallet address of the subscriber (0x format)
  - `createdAt` number — Timestamp (in milliseconds) when the subscription was created. Defaults to current time.

## Response `200`

Subscriber added successfully

- object
  - `success` true, required — Whether the subscriber was added

## Other responses

- `400` — Invalid request - must provide email or wallet
- `401` — Invalid or missing API key
- `404` — Publication not found
- `500` — Internal server error

## Changes

- **2026-05-07** `90de04b87133` — 4 warning
  - removed the optional property `error` from the response with the `400` status
  - removed the optional property `error` from the response with the `401` status
  - removed the optional property `error` from the response with the `404` status
  - removed the optional property `error` from the response with the `500` status
- **2025-12-16** `c45f91804176` — 1 info
  - the endpoint scheme security `apiKey` was added to the API
- **2025-12-15** `e2132566eadf` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/paragraph-xyz/apis/paragraph-api/changes/v1/subscribers/post.md)

---

[API](https://skmtc.dev/paragraph-xyz/apis/paragraph-api.md) · [All operations](https://skmtc.dev/paragraph-xyz/apis/paragraph-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/paragraph-xyz/paragraph-api/revisions/8108f2a53d2e/schema)