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

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

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.

  1. agentsvc.ioagentsvc.io Geocoding API1x402

    Converts addresses to coordinates (forward geocoding) or coordinates to addresses (reverse geocoding) using OpenStreetMap Nominatim

    $0.003/message

    Live · checked Oct 30, 20261 call · 30 days

  2. agentsvc.ioagentsvc.io Postal Code Lookup1x402

    Looks up geographic details (place name, state, coordinates) for a postal code or city/state combination, supporting international queries via ISO country codes.

    $0.0025/message

    Live · checked Oct 30, 20261 call · 30 days

  3. 2s.io2s Geocode Address (Forward Geocoding)5.0(1)13x402

    Converts a free-text address or place name into geographic coordinates (lat/lon) and structured address components using OpenStreetMap/LocationIQ.

    $0.001/message

    Live · checked Oct 27, 20260 calls · 30 days

  4. geo.memoryapi.orggeo.memoryapi.org Geocodingx402

    Convert addresses to geographic coordinates (forward geocoding) or coordinates to addresses (reverse geocoding) via OpenStreetMap Nominatim

    $0.001/message

    Live · checked Oct 29, 20260 calls · 30 days

  5. padelmaps.orgPadelMaps Geocoding API21x402

    Converts a street address string into geographic coordinates (latitude/longitude) with structured address components and place metadata

    $0.01/message

    Live · checked Oct 28, 20260 calls · 30 days

  6. x402.onchainexpat.comOnchainExpat x402 Geocoding APIx402

    Converts a human-readable address or place name into geographic coordinates (latitude/longitude) via a pay-per-request x402 micropayment model

    $0.01/message

    Live · checked Oct 28, 20260 calls · 30 days

  7. api.relaystation.aiRelaystation Geocodex402

    Converts a free-text address string into geographic coordinates (lat/lng) and a normalized address using AWS Location Service.

    $0.01/message

    Live · checked Oct 30, 20260 calls · 30 days

  8. engedi.digi-life17.workers.devOSM Geocoding – Address to Coordinatesx402

    Converts an address or place name into geographic coordinates using OpenStreetMap data

    $0.005/message

    Live · checked Oct 27, 20260 calls · 30 days

  9. api.strale.ioAddress Geocoding via OpenStreetMap Nominatim24x402

    Converts a free-text address or place name into geographic coordinates (latitude/longitude), structured address components, and a bounding box using OpenStreetMap Nominatim.

    $0.0216/message

    Live · checked Oct 29, 20260 calls · 30 days

  10. googlemaps.mpp.tempo.xyzGoogle Maps Geocoding APImaps6mpp

    Geocode a human-readable address into geographic coordinates, or reverse-geocode coordinates into a formatted address

    $0.005/message

    Live · checked Oct 30, 20260 calls · 30 days

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.

Best APIs to geocode an address (October 2026) | Zero