Automated MLS data sync to your Supabase/Postgres—keep small real estate apps fresh without polling.
Bootstrapped proptech founders struggle to integrate legacy real estate APIs like MLS into their small-business-focused apps, leading to project delays and technical debt.
PropSync pulls MLS listings/agents hourly into your database via simple webhooks or direct inserts. Configure sync rules once, and get delta updates to avoid full reloads and costs. Ideal for bootstrappers building CRM or listing apps for agents/brokers.
Bootstrapped proptech founders building apps for small real estate businesses
Push-based sync optimized for low-volume small biz apps, with Supabase-native integration.
professional
Select MLS feeds and target tables in your DB.
Only sync changes (new/updated/deleted listings).
Push JSON payloads to your endpoint on changes.
One-click link to insert into your Supabase tables.
Logs of syncs, errors, and row counts.
Sync only specific zip codes or price ranges.
Postgres-compatible beyond Supabase.
Add sentiment or categorization via LLMs.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| subscribed_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| mls_feed | text | No |
| target_db_url | text | No |
| filters | text | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| config_id | uuid | No |
| status | text | No |
| rows_synced | int | No |
| synced_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| url | text | No |
Relationships:
/api/syncsCreate sync config
/api/logsGet sync history
/api/webhooks/verifyVerify user webhook
No webhooks
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 80 | 4% | $80 | $960 |
| Month 6 | 500 | 7% | $875 | $10,500 |
Push updates directly to Supabase/Postgres—perfect for indie proptech apps serving small real estate teams.
Share MVP in Supabase Discord proptech channel with free Pro for first syncs; email list from proptech newsletters; offer custom setup calls to Twitter founders complaining about MLS sync.
Robust syncs
High cost, no push webhooks
Affordable push sync for solos
User sync configs create proprietary mappings dataset.
Supabase boom + demand for serverless proptech backends.
Sync failures on large datasets
Batch processing + retries
MLS quota exhaustion
User limits + alerts
Success: 50 signups
Success: 3 paying
Other validated startup ideas you might find interesting
Generate client proposals that justify premium pricing for custom AI over free LLMs
Benchmark free LLMs vs your custom AI to win higher-paying clients
Smart pricing calculator & scripts to defend custom AI rates against free LLM demands
Instant access to affordable agritech hardware suppliers for student crop monitoring prototypes
Validate crop monitoring app demand from small farmers before building – zero cost surveys
Drop-ship agritech hardware prototypes to farmers for real-world app testing