HTTP
API
JSON
REST
SQL
events
consume
upsert
Spark ETL
mTLS
analytics
query & response
prom push
computer
User Browser
Link bank accounts
View transactions
Spending calendar
2FA login
web
Frontend
React
Vite
Firebase
Teller Connect
JWT sessions
TOTP + Email 2FA
bolt
Backend API
FastAPI
Cloud Run
Auth · Cards · Tx
Kafka producer
Teller webhooks
/metrics endpoint
database
PostgreSQL
Cloud SQL
Users · Cards · Tx
OTP tokens
Alembic migrations
sync_alt
Kafka
Event Stream
transactions
account-sync
expense-alerts
account_tree
Airflow
Orchestration
daily_account_sync
weekly_expense_report
weekly_spark_batch
bar_chart
BigQuery + dbt
Analytics
spending_by_category
monthly_totals
utilization_history
account_balance
Teller API
Bank Data
Real bank accounts
Live transactions
mTLS auth
monitoring
Grafana Cloud
Monitoring
API request rate
Error tracking
Prom remote write