Answer the question in front of you
Paste the address, confirm the place and format, and move on. No account or trial clock.
COMPARE · POSTCODEDOG VS EXPERIAN
PostcodeDog vs Experian
Experian verifies addresses. PostcodeDog checks postcodes and formats.
Experian provides address validation and data-quality services. PostcodeDog covers 82 countries with one lookup, batch checks, a free API and MCP.
SIDE BY SIDE
What changes with PostcodeDog
| Capability | UsPostcodeDog | Experian | Why it matters |
|---|---|---|---|
| Scope | Postal-code lookup and format checks | Full address verification | Start with the question, not the platform. |
| Access | Free, no account | Commercial platform or trial | A quick check stays free. |
| Batch | Paste up to 50 rows, review, export CSV | List processing | No setup to clear a queue. |
| MCP | Built-in MCP server at /mcp | Plan or subscription | Agents connect without a plan. |
| Languages | 13 interface languages | English-first | Local teams work in their language. |
WHERE POSTCODEDOG WINS
A focused lookup, free for the team.
Batch without procurement
Fifty rows per run with CSV export; the operations team can start without a contract.
Free for humans and agents
The JSON API and MCP server are part of the free product.
TRY IT
Try the difference
Paste a full address, a city or a post code. Country and format are detected.
Free. No account, no API key.THE LOOP
Paste → resolve → verify
The same three steps work whether the address is a US ZIP, a UK outcode or a Japanese 〒.
- 01
Paste what you have
A full address, a city, or just a code. The parser accepts the whole line.
- 02
Confirm the place and format
Country, region and post code format are shown together, with nearby codes for a second option.
- 03
Send it to the label
Copy the verified code or export the batch. Platform and carrier pages keep local rules in view.
About
About Experian
Experian provides address validation and data-quality services.
It is an address-verification platform for customer and delivery data.
When PostcodeDog is the better fit
- 01You need a quick postcode check, not full address verification.
- 02You want batch checks without a trial or subscription.
- 03You want a free API and MCP server.
- 04Your team works in several languages.
Is Experian free?
Experian is a commercial address platform with a trial. PostcodeDog is free for lookups, batch, API and MCP.
Do they do the same job?
Experian is built for address verification; PostcodeDog is built for postcode lookup, format checks, batch and agents.
Is PostcodeDog free?
Yes. Lookups, batch checks, the JSON API and the MCP server are free and need no account.
Can I use it in an AI agent?
Yes. The MCP server is at /mcp, and the JSON API is free to call.
Compare
Try PostcodeDog instead of Experian.
Try 90210, SW1A or 100-0001. No signup, no credit card.