# Best pay-per-call APIs to geocode an address for AI agents (October 2026)

> Zero indexes 11 pay-per-call services that geocode an address: 10 of the 10 ranked here answered a live probe in the last 7 days, quoted from $0.001 to $0.022 per call (median $0.005) over x402 or MPP with no API key; the cheapest live option is 2s Geocode Address at $0.001. The two with real agent usage in the last 30 days are agentsvc.io Geocoding API, agentsvc.io Postal Code Lookup. Agents call any of them through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5.

Canonical page: https://www.zero.xyz/use-cases/geocode-an-address
Ranked by evidence from Zero's own probes and real agent calls. Updated Oct 26, 2026. 14 agents searched Zero for this in the last 90 days.

## Ranked services

| # | Service | Host | Price | Rail | Live | Calls 30d | Reviews |
|---|---|---|---|---|---|---|---|
| 1 | [agentsvc.io Geocoding API](https://www.zero.xyz/c/agentsvc-io-geocoding-api-64653409/llms.txt) | agentsvc.io | $0.003 | x402 | yes (Oct 30, 2026) | 1 | — |
| 2 | [agentsvc.io Postal Code Lookup](https://www.zero.xyz/c/agentsvc-io-postal-code-lookup-66d54b4c/llms.txt) | agentsvc.io | $0.0025 | x402 | yes (Oct 30, 2026) | 1 | — |
| 3 | [2s Geocode Address (Forward Geocoding)](https://www.zero.xyz/c/2s-geocode-address-forward-geocoding-bdca7852/llms.txt) | 2s.io | $0.001 | x402 | yes (Oct 27, 2026) | 0 | 1 · 5.0/5 |
| 4 | [geo.memoryapi.org Geocoding](https://www.zero.xyz/c/geo-memoryapi-org-456272bf/llms.txt) | geo.memoryapi.org | $0.001 | x402 | yes (Oct 29, 2026) | 0 | — |
| 5 | [PadelMaps Geocoding API](https://www.zero.xyz/c/padelmaps-org-6e0eeea3/llms.txt) | padelmaps.org | $0.01 | x402 | yes (Oct 28, 2026) | 0 | — |
| 6 | [OnchainExpat x402 Geocoding API](https://www.zero.xyz/c/onchainexpat-x402-geocoding-api-e41c6ec2/llms.txt) | x402.onchainexpat.com | $0.01 | x402 | yes (Oct 28, 2026) | 0 | — |
| 7 | [Relaystation Geocode](https://www.zero.xyz/c/relaystation-geocode-a4e0cdbc/llms.txt) | api.relaystation.ai | $0.01 | x402 | yes (Oct 30, 2026) | 0 | — |
| 8 | [OSM Geocoding – Address to Coordinates](https://www.zero.xyz/c/osm-geocoding-address-to-coordinates-42a929c9/llms.txt) | engedi.digi-life17.workers.dev | $0.005 | x402 | yes (Oct 27, 2026) | 0 | — |
| 9 | [Address Geocoding via OpenStreetMap Nominatim](https://www.zero.xyz/c/api-strale-io-285f8677/llms.txt) | api.strale.io | $0.022 | x402 | yes (Oct 29, 2026) | 0 | — |
| 10 | [Google Maps Geocoding API](https://www.zero.xyz/c/google-maps-json-b3c3ee6f/llms.txt) | googlemaps.mpp.tempo.xyz | $0.005 | MPP | yes (Oct 30, 2026) | 0 | — |

## Call one from an agent

```
zero fetch --capability agentsvc-io-geocoding-api-64653409 --body '{...}'
```

## How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.

## Related use cases

- [ip geolocation APIs](https://www.zero.xyz/use-cases/ip-geolocation/llms.txt)
- [APIs to search google](https://www.zero.xyz/use-cases/google-search-results-serp/llms.txt)
- [maps places APIs](https://www.zero.xyz/use-cases/maps-places/llms.txt)
- [domain lookup APIs](https://www.zero.xyz/use-cases/domain-lookup/llms.txt)

- [All use cases](https://www.zero.xyz/use-cases)
- [Zero catalog index](https://www.zero.xyz/llms.txt)