brex
Brex API for corporate card, expenses, payments, transactions, accounts, and team data. Use when user mentions "Brex", "corporate card", "expenses", "card transactions", "spend limits", "payments", or Brex finance automation.
What this skill does
## Troubleshooting
If requests fail, run `zero doctor check-connector --env-name BREX_TOKEN` or `zero doctor check-connector --url https://api.brex.com/v2/accounts/card --method GET`.
## Official Docs
- Developer portal: https://developer.brex.com/
- Transactions API: https://developer.brex.com/openapi/transactions_api/
- Transactions examples: https://developer.brex.com/examples/transactions_examples
## Authentication
Connect the Brex connector at [app.vm0.ai/connectors](https://app.vm0.ai/connectors). The connector provides:
- `BREX_TOKEN`: Brex API token
All requests use bearer auth:
```bash
Authorization: Bearer $BREX_TOKEN
```
Base URL:
```bash
https://api.brex.com
```
## Transactions
### List Primary Card Transactions
```bash
curl -s "https://api.brex.com/v2/transactions/card/primary?limit=100" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
Use `next_cursor` from the response for pagination:
```bash
curl -s "https://api.brex.com/v2/transactions/card/primary?limit=100&cursor=<next-cursor>" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
### Get Cash Account Transactions
```bash
curl -s "https://api.brex.com/v2/transactions/cash/<cash-account-id>?limit=100" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
## Accounts
### List Card Accounts
```bash
curl -s "https://api.brex.com/v2/accounts/card" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
### List Cash Accounts
```bash
curl -s "https://api.brex.com/v2/accounts/cash" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
### Get Primary Cash Account
```bash
curl -s "https://api.brex.com/v2/accounts/cash/primary" \
--header "Authorization: Bearer $BREX_TOKEN" | jq .
```
## Common Workflows
### Export Recent Card Spend
```bash
curl -s "https://api.brex.com/v2/transactions/card/primary?limit=100" \
--header "Authorization: Bearer $BREX_TOKEN" \
| jq '.items[] | {id, posted_at_date, description, type, amount}'
```
### Summarize Spend by Currency
```bash
curl -s "https://api.brex.com/v2/transactions/card/primary?limit=100" \
--header "Authorization: Bearer $BREX_TOKEN" \
| jq '.items | group_by(.amount.currency)[] | {currency: .[0].amount.currency, total_minor_units: map(.amount.amount) | add}'
```
## Guidelines
- Brex tokens are permission-scoped. If an endpoint returns 403, the token likely lacks the required scope.
- Use cursor pagination for bulk exports.
- Treat transaction, account, receipt, and employee data as sensitive financial data.
- Use read endpoints first; only perform payment or team-management writes when the user explicitly asks.
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