AdminConsole
Tutorials/Beginner
Beginner20 minREST

Generate static maps for receipts and notifications

Render bounded server-side map imagery with safe markers, caching, attribution, and fallback text.

By the endA deterministic map image pipeline for non-interactive surfaces.
Real-world scenario

Build against an explicit contract

A receipt service needs a non-interactive location image that is deterministic, cacheable, attributable, and useful when images are blocked.

A Mappls developer projectA restricted REST applicationFixture data with no production credentialsA request, aggregate, or correlation ID strategy
Step 1

Define the user and system contract

A receipt service needs a non-interactive location image that is deterministic, cacheable, attributable, and useful when images are blocked. Record the region, data freshness, latency budget, privacy purpose, credential owner, and fallback before choosing an SDK or endpoint.

Step 2

Construct a bounded render request

Use a known place/coordinate, fixed dimensions, scale, zoom, style, and marker count; reject user-controlled URLs, colors, and unbounded geometry.

Maps · SDK or product slice
<!doctype html>
<html>
  <head>
    <script src="https://sdk.mappls.com/map/sdk/web?v=3.0&access_token=YOUR_STATIC_KEY"></script>
    <style>html, body, #map { height: 100%; margin: 0; }</style>
  </head>
  <body>
    <div id="map"></div>
    <script>
      const map = new mappls.Map("map", {
        center: { lat: 28.612964, lng: 77.229463 },
        zoom: 12
      });
    </script>
  </body>
</html>
Step 3

Fetch and cache server-side

Keep credentials in the trusted service, key the cache by normalized render parameters and style/data version, cap bytes/time, and retain attribution requirements.

Step 4

Ship an accessible fallback

Include the human-readable location and a safe place/navigation link so email clients, screen readers, and image-blocked users keep the essential information.

Step 5

Prove the production behavior

Automate the happy path and every named failure. The release is ready only when identical parameters produce one cache identity; image failure leaves complete location text; no credential reaches generated html. Capture provider request identity without logging credentials or unnecessary precise location.

Recovery design

Failure modes you must exercise

render service timeout

Fail fast with a typed, user-safe outcome and preserve the original request identity.

unsupported or excessive geometry

Keep the last verified state, mark freshness honestly, and retry only within the documented idempotency boundary.

email proxy strips the image

Reconcile durable local and provider evidence before declaring success or issuing a compensating command.

Never turn uncertainty into success

Timeout after a stateful command is an unknown outcome. Query by provider/idempotency identity or wait for authoritative events; do not blindly retry a new command.

Acceptance criteria

Definition of done

identical parameters produce one cache identityimage failure leaves complete location textno credential reaches generated HTML

REST production checks

Credentials never reach a browser or mobile bundleTimeout, retry, and idempotency policies are explicitCoordinates, addresses, and identifiers have data-retention rulesEvery operation is attributable in logs and usage reporting
Grounded implementation

Continue from source, contracts, and a full app

These links resolve to repository-derived evidence; unsupported package names and endpoints are not filled in from guesswork.

Tutorial complete

Run it, break it, then observe it

Start with fixture credentials, execute the failure plan, and use request logs, usage, webhook evidence, and operational metrics before promoting traffic.