Proxy your carrier APIs: slash costs 80% with smart caching and batching for solo devs.
Solo logistics startup founders face a nightmare integrating carriers like UPS and DHL into their apps due to poor APIs and high costs.
CarrierProxy acts as a unified REST proxy for UPS, DHL, and FedEx APIs, handling authentication, rate limiting, and optimization behind the scenes. Solo founders plug in our simple endpoint instead of wrestling with fragmented carrier docs and high per-call fees. Get production-ready tracking and labeling in minutes, not weeks.
Solo logistics startup founders developing carrier integration apps
Cheapest proxy at $20/mo with intelligent batching that cuts API costs by 80% specifically tuned for low-volume solo logistics apps.
professional
Securely store and rotate carrier API keys per project.
Single /track?carrier=ups&number=123 endpoint for all carriers.
Generate shipping labels via standardized POST /labels.
Cache responses for 24h to avoid redundant carrier calls.
Mock carrier limits during dev to prevent bans.
Track your proxy calls and estimated carrier savings.
Forward carrier events to your app.
Batch rates/quotes across carriers.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| created_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| name | text | No |
| api_calls_used | int | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| project_id | uuid | No |
| carrier | text | No |
| api_key | text | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| project_id | uuid | No |
| endpoint | text | No |
| carrier | text | No |
| cached | bool | No |
Relationships:
/api/trackTrack shipment across carriers
/api/labelsGenerate label
/api/projectsCreate project
/api/carrier-keysAdd carrier key
/api/usageGet usage stats
Dev only
Solo apps
High volume
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 100 | 5% | $100 | $1,200 |
| Month 6 | 500 | 10% | $1,000 | $12,000 |
Proxy UPS & DHL APIs for $20/mo – cache, batch, and save 80% on costs.
Post in Indie Hackers and r/logistics about beta access for solo founders; DM 10 founders from Product Hunt logistics launches; Offer free 3 months to first 3 who integrate and share feedback.
Multi-carrier support
Complex setup, high min volume
Proxy-only for solos, 80% cheaper
Reliable
Expensive for low volume
Fixed $20 flat + caching savings
Data on optimized calls builds proprietary caching models, creating cost advantages that improve with usage.
Ecomm boom post-2023, solo founders building DTC apps need cheap integrations amid rising carrier fees.
Carrier API changes break proxy
Automated tests + weekly monitoring
Low adoption by solos
Free tier + PH launch
Carrier TOS violations
Transparent proxy, no resale
Success: 5 express pain
Success: Positive feedback + usage
Success: 10% conv to paid
Other validated startup ideas you might find interesting
Stand out in the crowded AI market with AI-powered positioning that converts browsers to buyers.
Launch your AI productivity tool like a pro with automated campaigns that drive real users.
Swap targeted users with other AI indie hackers—no ads, just mutual growth.
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