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What is Bringin?

Bringin lets your users convert crypto to Euro and spend it — via a debit card, bank withdrawal, or recurring standing orders. As a partner, you integrate the Bringin API so your users can:
  • Top up a debit card — User deposits USDC/BTC, it’s converted to EUR, and they can spend it anywhere or withdraw to their bank
  • Set up connections — A permanent link between a Bitcoin address and a bank account. Funds convert automatically, any amount, any time.

Top-up Debit Card

Deposit crypto, spend EUR. One-off top-ups via API.

Connections

Pass a Bitcoin address, get back an IBAN. Auto-converts forever.

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The API Key

A prerequisite for any partner client to use Bringin’s services is the api-key. Each api-key is unique to a user and has limited permissions — it can only push crypto for conversion. It cannot withdraw funds or access sensitive data.
You can store the api-key on the client side (mobile, web) or use it from your backend. No problem — the permissions are limited.

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How to get api-keys

For existing Bringin users, there are two ways:
  1. Via email connection (recommended) — You ask the user for their Bringin email. We send them a consent email. Once they confirm, we send you the api-key via webhook. See Onboarding API.
  2. From the Bringin dashboard — The user can find their api-key on the integration tab in the dashboard. Not recommended for production flows, but useful during development.
For new users: You submit the user’s email + a callback URL. Bringin sends them a signup link. Once they complete signup + KYC, we push the api-key to your callback URL via webhook. See Onboarding API.

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Base URLs

EnvironmentURL
Sandboxhttps://dev.bringin.xyz
Productionhttps://api.bringin.xyz
All endpoints use the prefix /api/v0/.

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All APIs require an api-key header

api-key: ZTY3YzNhMzQ3Yzk4NGJjMmEwZWU1NTQ4NmE5MjJjZTk=
For onboarding APIs (getting signup links, checking status), use your master api-key provided by Bringin. For user-level APIs (creating orders, checking balance, listing transactions), use the per-user api-key you receive after connecting a user.