Head to head · Geo routing · October 2026 research run

NextBillion.ai vs Radar

NextBillion.ai scores 55.4 (C) on agent readiness against Radar's 53.3 (D), and leads in 4 of 7 scored categories. Radar leads on reliability and security & auth. Both do geo routing.

Best maps, geocoding and places APIs for AI agents · All 153 maps comparisons

Which one, for what

NextBillion.ai C

Best for Fleet and delivery routing, distance matrices and route optimisation with truck profiles, plus geocoding and POI search, for companies ready for an annual contract.

Ahead on

  • Schema & documentation, 73 against 50
  • Agent ergonomics, 77 against 65
  • Payments & pricing, 20 against 10

Also in its favour

  • Free to start without a card

Watch for

Pricing is by quote on annual licences, with no public unit prices

Radar D

Best for A company that already has a Radar contract, or wants geofencing and trip tracking with geocoding and routing on one key.

Ahead on

  • Reliability, 70 against 45
  • Security & auth, 56 against 46

Watch for

The pricing page says Radar has no free tier and every plan is an annual commitment set by quote

Why the edge

Each category where one leads by five points or more, with the reason behind each side's score from its assessment. The numbers are in the table below; this is what they stand for.

Reliability Radar +25

NextBillion.ai 45

Hosted lines, for the REST APIs at api.nextbillion.io and the hosted MCP server. A status page at status.nextbillion.io, 'NextBillion.AI API Status', renders only in a browser, and its Statuspage-style JSON paths return 404, so we couldn't see its components (10) or read any history. That's our limit, not a finding, and the rubric gives 5 (5). The API reference states 2,400 queries a minute, or 40 a second, for continuous requests (15). Each endpoint's error table lists 429 as 'QPM or API request count quota reached', with no Retry-After or backoff guidance (5). No SLA found; the terms say access isn't warranted to be uninterrupted (0). The REST APIs are GA. The MCP server is at version 0.5.3 (10). 10+5+15+5+0+10 = 45.

Radar 70

Read with the hosted lines. status.radar.com is a Statuspage site with components for the Geocoding, Search, Routing, Maps, Track and Trips APIs among others (20). Its history feed lists two incidents in the 90 days to 4 November 2026. Elevated API errors on 27 August from 19:31 to 20:34 EDT, and elevated API latencies on 23 October from 11:52 to 14:57 EDT, traced to a Cloudflare incident. Neither states the share of failed requests, and this run reads "elevated" errors or latencies as partial, so both are minor (20). Each operation states a default rate limit, 100 requests a second for geocoding down to 10 for matrix and the data operations (15). 429 is documented with three meanings, with no Retry-After header or backoff guidance found, and PUT upserts keyed on tag and externalId make geofence writes repeatable (5, partial kept). No SLA is published (0). The APIs carry no beta label (10). 20 + 20 + 15 + 5 + 0 + 10 = 70.

Schema & documentation NextBillion.ai +23

NextBillion.ai 73

No OpenAPI document for the REST APIs was found in llms.txt or the docs. The hosted MCP server's 27 tools are defined with Zod schemas, so they carry typed JSON Schema inputs (15 of 25). llms.txt, llms-full.txt and a Markdown file for each docs page (10). Endpoint pages explain each parameter, and MCP tool descriptions say when not to use a tool, such as the geometry tools being straight-line rather than road distance (16). Parameter tables give types, allowed values and defaults, such as types and limit (default 10), though in packs several filters into one string (12). curl examples and a per-endpoint error table with causes (13). The MCP server has a dated changelog. No API changelog or versioned path was found (7). 15+10+16+12+13+7 = 73.

Radar 50

No OpenAPI description or other machine-readable contract was found in the docs index (0). docs.radar.com publishes llms.txt and a Markdown twin of each page, with the whole API reference in one Markdown file of about 154 KB (10). Descriptions say what an operation is for and sometimes when to use another, for example forward geocoding for complete addresses and autocomplete for partial ones (14). Parameters are listed with type, required or optional, ranges and allowed values, though coordinate lists travel as pipe-delimited strings and there is no schema to validate against (11). Every operation has a sample request and response, and there is one list of 12 response codes with one sample error (11). Paths carry /v1, and no API changelog was found (4). 0 + 10 + 14 + 11 + 11 + 4 = 50.

Agent ergonomics NextBillion.ai +12

NextBillion.ai 77

MCP reading, since the hosted server is the agent surface. 27 tools, four of them for documentation and seven local geometry tools, with shapes simplified to a 500-vertex budget to save context (18). limit, types, country, bbox and circle filters, and batch geocoding of up to 100 queries (16). The error table explains each code, and the MCP masks the key in error text (15). Every API tool is marked readOnlyHint, idempotentHint and not destructive in the source (18). Few required parameters and explicit latitude and longitude objects, but no official server-side SDK, only mobile and web map SDKs (10). 18+16+15+18+10 = 77.

Radar 65

Read as an API. limit on search operations (1 to 100), layers and country filters on geocoding, and optional geometry on route optimisation size a response, with no field selection (14). List operations page with limit up to 1,000 and date cursors such as updatedBefore (16). Errors are JSON with code, param and message, and every response carries X-Radar-Request-ID (15). The maps operations only read. Geofence and beacon writes are PUT upserts by external ID, and no idempotency key was found for trip or user creation (10). Most maps calls need one parameter. Official SDKs cover web, iOS, Android and five cross-platform frameworks, all client-side, with no server library found (10). 14 + 16 + 15 + 10 + 10 = 65.

Security & auth Radar +10

NextBillion.ai 46

The REST APIs take a single key query parameter, so a plain key that travels in URLs, which earns 20 less 10. The MCP server adds OAuth 2.1 with PKCE, seals the key into tokens with AES-256-GCM, accepts a Bearer header and stores nothing server-side, so 5 back (15). Every tool is read-only, and keys can carry an IP allowlist (12). Places results are POI and address text with no prompt-injection guidance (7). Usage alerts at 50, 75 and 90 per cent of credits, per the pricing FAQ. No per-call log found (5). /.well-known/security.txt returns 404, and we found no disclosure policy or bug bounty. The about page says the company follows ISO 27001 standards, without naming a certificate (7). 15+12+7+5+7 = 46.

Radar 56

Four keys a project, test and live, publishable and secret, sent in the Authorization header only. A secret key can read or write any data and no scopes were found. Key rotation was not read (20). Publishable keys reach only 16 of the 38 documented operations and can be restricted by website domain or mobile app identifier, and dashboard accounts have read, write, admin and owner roles. No confirmation step for deletes (10). Results are addresses and place names from open and commercial datasets, with no prompt-injection guidance (6). Audit logs cover dashboard requests on enterprise plans, and each API response has a request ID (7). security.txt answers 404 (4 November 2026). The FAQ gives a disclosure address, and the DPA states SOC 2 Type II, a yearly third-party penetration test and a bug bounty, with the report on request. The trust centre is script-drawn and was not read (13). 20 + 10 + 6 + 7 + 13 = 56.

Payments & pricing NextBillion.ai +10

NextBillion.ai 20

No x402, MPP or L402 (0). Pricing is by quote, with annual licences per order, asset or API call and no published unit price (0). A 7-day free trial with an API key and 'No credit card required' (20). A person signs up through the console or emails support for a key (0). 0+0+20+0 = 20.

Radar 10

No x402, MPP or L402 (0). The pricing page publishes starting prices without a login, $0.50 per 1,000 calls for Core Maps and $2.00 for Premium Maps, but every plan is an annual commitment at a rate set by quote (10). The pricing page says "Radar does not currently offer a free tier", and the technical validation period goes through sales (0). Keys come from a dashboard account, and the sign-up page was closed to us by robots.txt on 9 October, so no programmatic route was found (0). 0 + 10 + 0 + 0 = 10.

Score by category

CategoryWeight this runNextBillion.aiRadarEdge
Reliability16%204570Radar +25
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.27350NextBillion.ai +23
Agent ergonomics13%16.27765NextBillion.ai +12
Security & auth14%17.54656Radar +10
Payments & pricing10%12.52010NextBillion.ai +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.87377Radar +4
Transparency & trust7%8.85855NextBillion.ai +3
Negative events≤150-2
TotalC 55.4/100D 53.3/100

Facts side by side

FactNextBillion.aiRadar
KindHTTP APIHTTP API
VendorNextBillion.ai Pte. Ltd.Radar Labs
Hosted endpointhttps://mcp.nextbillion.iohttps://api.radar.io/v1
TransportsHTTP, Streamable HTTPHTTP
AuthOAuth or keyAPI key
PricingPaidPaid
x402nono
LicencenoneProprietary service under Radar's Terms of Use. The web SDK in radarlabs/radar-sdk-js is Apache-2.0
Tools exposed27none
Read-only variant documentedyesno
llms.txtyesyes
Last release2026-10-302026-10-13
Terms last updatedno date given2023-05-24
Privacy policy last updatedno date given2025-05-13
Customer content may train modelsnot found in the textnot found in the text
Terms restrict automated accessnot found in the textnot found in the text
Terms restrict benchmarkingnot found in the textyes
Terms or service can change without noticenot found in the textyes
Arbitration or class-action waivernot found in the textyes

Verdicts

NextBillion.ai

NextBillion.ai covers routing, distance matrices, route optimisation, geocoding and places, and runs a hosted MCP server with 27 read-only annotated tools and OAuth sign-in. Pricing is by quote on annual licences, the REST API key travels in the query string, and no OpenAPI spec, API changelog or readable status history was found.

Radar

Radar documents 38 REST operations in Markdown with a rate limit on each, and its status feed shows two API incidents of elevated errors or latency in 90 days. Access is sales-led. The pricing page says there is no free tier, every plan is an annual commitment, and no OpenAPI description or API changelog was found.

Before you call either

NextBillion.ai

  1. Connect through https://mcp.nextbillion.io so the key stays in a Bearer header or OAuth token rather than in request URLs
  2. Use the geometry tools only for straight-line questions; use directions or distance_matrix for travel time
  3. Batch up to 100 geocodes with geocode_batch instead of one call per address
  4. On 429 the quota or the 2,400-a-minute limit is reached; slow down and tell the user if credits are spent
  5. Search the docs with the MCP documentation tools before guessing a parameter

Radar

  1. Send the key in the Authorization header with no Bearer prefix, and call https://api.radar.io/v1, not radar.com
  2. Use a publishable key for geocoding, search and routing. Keep the secret key for users, trips, geofences and beacons
  3. Call /v1/search/autocomplete for partial addresses and place names. /v1/geocode/forward is documented as best for complete addresses
  4. Set units=metric on routing calls. The default is imperial, with distances in feet
  5. Treat 429 as one of three things (rate limit, no state change or selective throttling) and 402 as usage exceeded. No Retry-After header is documented
  6. Do not keep geocoding, autocomplete or place results for more than 30 days

Questions

Which is better for AI agents, NextBillion.ai or Radar?

NextBillion.ai scores 55.4 (C) on agent readiness against Radar's 53.3 (D), and leads in 4 of 7 scored categories. Radar leads on reliability and security & auth.

Do NextBillion.ai and Radar need an API key?

NextBillion.ai takes an API key or an OAuth sign-in. Radar needs an API key.

Can an agent call NextBillion.ai and Radar without installing anything?

Yes. NextBillion.ai has a hosted endpoint at https://mcp.nextbillion.io and Radar at https://api.radar.io/v1.

Other comparisons with NextBillion.ai or Radar

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