Postcoder
Reviews
Star rating
Rank in Address Verification
Pros and cons
Pros
- Ease of Use
- API Integration
- Implementation Ease
- Reliability
- Accuracy
- Customer Support
Cons
- Expensive
- Pricing Issues
- Insufficient Information
- Limited Admin Control
- Data Management
- Manual Processes
Traffic & LLM citations
Source: G2 review data
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 72.7% |
| Mid-Market | 24.2% |
| Enterprise | 3.0% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2024 Q4 | 9 | 4.6 |
| 2025 Q1 | 1 | 5.0 |
| 2025 Q2 | 7 | 4.7 |
| 2025 Q3 | 3 | 4.7 |
| 2025 Q4 | 2 | 5.0 |
| 2026 Q1 | 5 | 4.5 |
| 2026 Q2 | 2 | 4.3 |
| 2026 Q3 | 2 | 5.0 |
Satisfaction ratings
What reviewers say
Accurate Address Validation with a Clean, Developer-Friendly API
“I like Postcoder’s clean API implementation and high address verification accuracy, backed by exceptional customer support. Its real-time address autocomplete lets users enter addresses with typos or missing building numbers and keeps regional formatting consistent.”
Fast, Reliable Address Lookup—Though Prepaid Credits Are a Drawback
“I appreciate Postcoder’s clear, accurate, and thorough API documentation. Its address and lookup API services cover a lot, and the well-structured developer guides and endpoint parameter breakdowns made implementing and testing new search endpoints in our front-end forms hassle-f”
Versatile and Efficient Address Lookup Tool
“I really appreciate the versatility of Postcoder's search endpoints. It allows our product team to test and experiment with different address lookup configurations.”