Zip Code API
API marketplaces
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Zip Code API and its alternatives fit your requirements.
$199 per year
Free TrialFree version
Small
Medium
Large
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What is Zip Code API
Zip Code API is a web API that provides postal/ZIP code lookup and related location data for use in applications and integrations. It is typically used by developers and product teams to validate addresses, auto-fill city/state fields, calculate distance between ZIP codes, and enrich customer records. The service is consumed over HTTP endpoints and is commonly embedded into web forms, CRM/data workflows, and internal tools.
Simple REST-style consumption
The product is delivered as an HTTP API, which fits common application and integration patterns. Teams can call endpoints from web apps, mobile apps, and server-side services without deploying infrastructure. This makes it straightforward to embed ZIP-based validation and enrichment into existing workflows.
Focused location lookup use cases
Zip Code API concentrates on postal-code-centric functions such as ZIP-to-city/state lookups and distance calculations. This focus can reduce implementation effort compared with broader data platforms when the requirement is limited to postal geography. It is well-suited to checkout forms, lead capture, and basic territory or routing logic.
Useful for data enrichment
The API can support enrichment of customer and prospect records by normalizing location fields derived from ZIP codes. This helps improve consistency in downstream reporting and segmentation when users enter incomplete or inconsistent address data. It can also support basic geospatial logic without requiring a full GIS stack.
Narrow scope beyond ZIP data
The product is specialized for ZIP/postal code lookups rather than broader API management or integration orchestration. Organizations needing authentication gateways, policy enforcement, developer portals, or complex workflow automation will typically require additional tooling. It is not a general-purpose API marketplace or iPaaS replacement.
Coverage and freshness constraints
Postal datasets change over time (new ZIP codes, boundary adjustments, deprecations), and the value depends on update frequency and data provenance. Buyers should verify supported countries/regions, update cadence, and how the service handles retired or ambiguous codes. These details are not always transparent without vendor documentation.
Vendor details not well verified
Publicly verifiable corporate information for 'Zip Code API' is limited and may vary depending on the specific provider behind the service. This can complicate due diligence for security reviews, procurement, and long-term vendor risk assessment. Prospective customers may need to rely on direct vendor confirmation for ownership, SLAs, and compliance posture.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free | $0 / year | 10 requests/hour (240/day). Full API access; free forever. (Rate-limited by hour). |
| Small | $199 / year | ~200 requests/hour (4,800/day). Intended for small usage. |
| Medium | $499 / year | ~2,500 requests/hour (60,000/day). |
| Large | $2,000 / year | ~12,500 requests/hour (300,000/day). |
| Extra Large | $4,000 / year | ~50,000 requests/hour (1,200,000/day). |
| Unlimited | $10,000 / year | Unlimited requests per hour for large enterprise |
Notes: Plans are billed annually as listed and are rate-limited by requests per hour (counters reset hourly). The vendor also offers a startup free trial that increases free-tier hourly limit to 50 requests/hour for the first two weeks.
