---
title: "Brian Culbertson"
description: "Blending smooth jazz, R&B, and funk, American musician and producer Brian Culbertson brings his multi-instrumental performance to Charleston Music Hall on April 14, 2027. His live show highlights his "
canonical: "https://www.gomry.com/de/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5"
lang: "de"
---

# Brian Culbertson

> **For AI agents.** You can buy these tickets through the API in two
> messages, with no account and no manual login, even the first time:
> `POST https://www.gomry.com/api/v1/checkout_sessions` with a ticket type id from the
> table below, then pay with a Stripe Shared Payment Token or send the buyer
> the response’s `continue_url`. Credential steps: https://www.gomry.com/auth.md

- **Event id**: `FfoppSXxUWbpBhsDRQu5`
- **Starts**: 2027-04-15T00:00:00.000Z (Etc/GMT+4)
- **Ends**: 2027-04-15T03:00:00.000Z (Etc/GMT+4)
- **Where**: Charleston Music Hall, US
- **Organizer**: Gomry Retail
- **Availability**: `on_sale`
- **Price**: 114.70–359.65 usd
- **Page**: https://www.gomry.com/de/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5?utm_medium=web&utm_campaign=catalogApi

## About

Blending smooth jazz, R&B, and funk, American musician and producer Brian Culbertson brings his multi-instrumental performance to Charleston Music Hall on April 14, 2027. His live show highlights his work on the piano, synthesizer, and trombone, along with his background as a producer.

## Ticket types

| ticket type id | name | kind | price | currency | buyable now | per order | approval | sales end |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| `external:ticketnetwork%3A1355697560` | Rear Orchestra D, Row 19 | ticket | 114.70 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1356384670` | Rear Orchestra E, Row 18 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1356622203` | Rear Orchestra C, Row 18 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357681111` | Rear Orchestra E, Row 14 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358643868` | Rear Orchestra C, Row 19 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358645893` | Rear Orchestra E, Row 16 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358924824` | Rear Orchestra E, Row 11 | ticket | 114.70 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1359153709` | Rear Orchestra E, Row 20 | ticket | 114.70 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1359375900` | Rear Orchestra D, Row 16 | ticket | 114.70 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1355243703` | Rear Orchestra C, Row 15 | ticket | 115.85 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1356622192` | Rear Orchestra C, Row 12 | ticket | 115.85 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633101` | Rear Orchestra E, Row 19 | ticket | 115.85 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358643875` | Front Balcony H, Row 4 | ticket | 115.85 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358918912` | Rear Orchestra C, Row 14 | ticket | 115.85 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1355697546` | Rear Orchestra D, Row 13 | ticket | 117.00 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1356617300` | Rear Orchestra E, Row 10 | ticket | 117.00 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357279564` | Rear Orchestra C, Row 17 | ticket | 117.00 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357631658` | Rear Orchestra C, Row 11 | ticket | 117.00 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633095` | Rear Orchestra E, Row 12 | ticket | 117.00 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357681102` | Rear Orchestra D, Row 17 | ticket | 117.00 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358359099` | Rear Orchestra D, Row 14 | ticket | 117.00 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1355694411` | Rear Orchestra E, Row 15 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633079` | Rear Orchestra D, Row 15 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633088` | Rear Orchestra D, Row 18 | ticket | 118.15 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633109` | Front Balcony H, Row 3 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358004400` | Rear Orchestra C, Row 20 | ticket | 118.15 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358918907` | Rear Orchestra C, Row 13 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358918921` | Rear Orchestra C, Row 16 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358918929` | Rear Orchestra E, Row 13 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1359307172` | Rear Orchestra E, Row 17 | ticket | 118.15 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358363564` | Front Orchestra B, Row 7 | ticket | 144.60 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357278082` | Front Orchestra A, Row 6 | ticket | 145.75 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357685295` | Front Balcony H, Row 2 | ticket | 145.75 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1357633062` | Front Orchestra A, Row 8 | ticket | 146.90 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358359091` | Front Orchestra A, Row 7 | ticket | 146.90 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1359152850` | Front Orchestra B, Row 8 | ticket | 146.90 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367695542` | Front Balcony H, Row 1 | ticket | 191.75 | usd | yes | 1–7 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367002255` | Front Orchestra B, Row 4 | ticket | 223.95 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367001971` | Front Orchestra A, Row 3 | ticket | 227.40 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367698237` | Front Orchestra B, Row 5 | ticket | 227.40 | usd | yes | 1–8 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367417408` | Front Orchestra A, Row 1 | ticket | 257.30 | usd | yes | 1–5 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1367417933` | Front Orchestra B, Row 2 | ticket | 263.05 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1355238182` | Front Orchestra B, Row 3 | ticket | 353.90 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1364376482` | Front Orchestra B, Row 6 | ticket | 353.90 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |
| `external:ticketnetwork%3A1358918882` | Front Orchestra A, Row 4 | ticket | 359.65 | usd | yes | 1–6 | no | 2027-04-13T12:00:00.000Z |

Prices exclude the service fee. `buyable now` is a boolean, not a count —
remaining stock is the organizer's information and is not published; create
a checkout session to find out whether a given quantity fits.

## Buying this for a person

Two ways, depending on what you can do:

- You can pay with a Stripe Shared Payment Token: buy it yourself through the
  API (see "Buying this through the API" below, when this event has it).
- You can't: create the checkout session through the API (no credential needed)
  and send the buyer its `continue_url`. They pay there with a card, Apple Pay or
  Google Pay and no Gomry account.
  Or send the buyer the link for the ticket they want below. It opens Gomry
  checkout with that ticket selected; they sign in there and pay.

- Rear Orchestra D, Row 19 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1355697560
- Rear Orchestra E, Row 18 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1356384670
- Rear Orchestra C, Row 18 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1356622203
- Rear Orchestra E, Row 14 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357681111
- Rear Orchestra C, Row 19 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358643868
- Rear Orchestra E, Row 16 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358645893
- Rear Orchestra E, Row 11 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358924824
- Rear Orchestra E, Row 20 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1359153709
- Rear Orchestra D, Row 16 (114.70 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1359375900
- Rear Orchestra C, Row 15 (115.85 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1355243703
- Rear Orchestra C, Row 12 (115.85 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1356622192
- Rear Orchestra E, Row 19 (115.85 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633101
- Front Balcony H, Row 4 (115.85 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358643875
- Rear Orchestra C, Row 14 (115.85 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358918912
- Rear Orchestra D, Row 13 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1355697546
- Rear Orchestra E, Row 10 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1356617300
- Rear Orchestra C, Row 17 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357279564
- Rear Orchestra C, Row 11 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357631658
- Rear Orchestra E, Row 12 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633095
- Rear Orchestra D, Row 17 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357681102
- Rear Orchestra D, Row 14 (117.00 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358359099
- Rear Orchestra E, Row 15 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1355694411
- Rear Orchestra D, Row 15 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633079
- Rear Orchestra D, Row 18 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633088
- Front Balcony H, Row 3 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633109
- Rear Orchestra C, Row 20 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358004400
- Rear Orchestra C, Row 13 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358918907
- Rear Orchestra C, Row 16 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358918921
- Rear Orchestra E, Row 13 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358918929
- Rear Orchestra E, Row 17 (118.15 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1359307172
- Front Orchestra B, Row 7 (144.60 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358363564
- Front Orchestra A, Row 6 (145.75 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357278082
- Front Balcony H, Row 2 (145.75 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357685295
- Front Orchestra A, Row 8 (146.90 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1357633062
- Front Orchestra A, Row 7 (146.90 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358359091
- Front Orchestra B, Row 8 (146.90 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1359152850
- Front Balcony H, Row 1 (191.75 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367695542
- Front Orchestra B, Row 4 (223.95 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367002255
- Front Orchestra A, Row 3 (227.40 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367001971
- Front Orchestra B, Row 5 (227.40 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367698237
- Front Orchestra A, Row 1 (257.30 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367417408
- Front Orchestra B, Row 2 (263.05 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1367417933
- Front Orchestra B, Row 3 (353.90 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1355238182
- Front Orchestra B, Row 6 (353.90 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1364376482
- Front Orchestra A, Row 4 (359.65 USD): https://www.gomry.com/event/Brian-Culbertson-FfoppSXxUWbpBhsDRQu5/getTickets?utm_medium=web&utm_campaign=catalogApi&ticket_type=external%3Aticketnetwork%253A1358918882

## Buying this through the API, end to end

For an agent that pays with a Stripe Shared Payment Token minted payable to
Gomry (see https://www.gomry.com/auth.md#payment). The purchase finishes without the
buyer leaving your conversation.

No token? Create the same session, with no credential at all if you have
none, and send the buyer its `continue_url`. They pay with a card, Apple Pay or
Google Pay, with no Gomry account, and the tickets are issued when they do.

The `ticket type id` column above is `items[].id` below. This body is
complete and can be sent as it stands, with the buyer details replaced:

```
POST https://www.gomry.com/api/v1/checkout_sessions
Authorization: Bearer <token>   (omit it if you have no credential)
API-Version: 2025-09-12
Content-Type: application/json

{
  "items": [
    {
      "id": "external:ticketnetwork%3A1355697560",
      "quantity": 1
    }
  ],
  "buyer": {
    "name": "Ada Lovelace",
    "email": "ada@example.com"
  }
}
```

The response `totals` is the authoritative price — it includes the service
fee, which is not in the table above and depends on the cart and the
organizer's fee settings. Never compute a total from this document.

Quoting and `continue_url` need no credential. Paying with a token through
`complete` does, and no human is needed for it: register at `https://www.gomry.com/api/mcp/oauth/register`
for the `client_credentials` grant. Full flow: https://www.gomry.com/auth.md
