---
title: "Join Waitlist"
method: POST
path: "/v1/billing/waitlist"
tags: ["Billing & Subscriptions"]
---

# Join Waitlist

`POST /v1/billing/waitlist`

## Request

- Base URL: `https://api.vectelos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.vectelos.com/v1/billing/waitlist`
- Auth: none declared

## Headers

- `authorization` string, nullable: Bearer <JWT session token>

## Cookies

- `vx_session` string, nullable

## Request body

- WaitlistRequest
  - `plan` string, required: Which tier the account is interested in
  - `volume_note` string, nullable: Roughly how many entries a month, in their own words
  - `attribution` Attribution: Where a sign-up came from. Sent by the portal, forwarded from the landing page's `.vectelos.com` cookie / URL params. The API treats every field as opaque analytics input — it is never used for authorisation. See `GTM_plan.md` §4.3.
    - `utm_source` string, nullable
    - `utm_medium` string, nullable
    - `utm_campaign` string, nullable
    - `utm_content` string, nullable
    - `utm_term` string, nullable
    - `gclid` string, nullable
    - `landing_path` string, nullable
    - `consent` string, nullable

## Response `201`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/vectelos/apis/vectelos-api.md) · [All operations](https://skmtc.dev/vectelos/apis/vectelos-api/llms.txt) · [OpenAPI document](https://skmtc.dev/vectelos/apis/vectelos-api/revisions/8e68c96f24fa?raw)