Sold by: Waltsoft Inc.
Deployed on AWS
Quick Launch
SitePulse is a satellite change detection API for AI agents and construction professionals: one call returns a built-up or revegetated verdict, NDVI/NDBI index deltas, confidence level and per-scene evidence for any coordinate from ESA Sentinel-2 L2A imagery. Use it over REST, MCP or A2A.
Overview
What SitePulse does
SitePulse turns a latitude/longitude coordinate into a satellite-verified construction and land-change verdict that an AI agent or a due-diligence workflow can act on directly.
- GET /v1/site?lat=30.2216&lon=-97.6206 returns change_detected, change_direction (built-up, revegetated, none or inconclusive), confidence, NDVI and NDBI deltas, the baseline and recent index windows with their dates, and the per-scene evidence used. 12-month window.
- GET /v1/timeline?lat=30.2216&lon=-97.6206 returns the same shape over a 36-month window.
Every answer carries attribution and data_sources fields naming each source, its licence and its required notice.
Where the data comes from
Sentinel-2 L2A imagery from ESA/Copernicus, hosted on AWS Open Data at s3://sentinel-cogs in us-west-2. Free, full and open under the Copernicus Sentinel data terms. The API queries the Element 84 Earth Search STAC catalogue, discards scenes above 20% cloud cover using the Scene Classification Layer (a pixel-level lookup, not a model), then reads NDVI and NDBI from COG band windows. Change is flagged only when both NDVI falls AND NDBI rises -- suppressing seasonal vegetation swings that move only one index. Resolution is 10 m/pixel.
- Contains modified Copernicus Sentinel data 2026
- Scene catalogue via Element 84 Earth Search
Resolution limit, stated up front
Sentinel-2 is 10 m/pixel, reliable for commercial and industrial footprints (~30 m+): warehouses, fabs, data centres, solar farms, mines, port yards. Not reliable for single-family homes.
Three ways to connect
- REST with an X-API-Key header, described by an OpenAPI 3 schema (https://sitepulse.waltsoft.net/openapi.json ).
- MCP: the tool sitepulseQuery on the Amazon Bedrock AgentCore Gateway, for Claude, Strands Agents and other MCP clients.
- A2A (Agent2Agent 0.3): the agent card at https://sitepulse.waltsoft.net/.well-known/agent-card.json with the skills detectChange and getTimeline.
Who it is for
Commercial real estate and infrastructure due-diligence teams, environmental monitoring pipelines, construction-progress agents and any workflow needing satellite-verified site status without GIS expertise.
Billing
On AWS Marketplace one unit is $1.80, billed on your AWS bill: GET /v1/site uses 1 unit ($1.80) and GET /v1/timeline uses 4 units ($7.20). With x402 (USDC, no subscription): /v1/site $1.50 per call, /v1/timeline $6.00 per call. Prepaid credit packs on sitepulse.waltsoft.net (1 credit = $0.01; a site check is 150 credits, a timeline 600): Starter $49 = 5,400 credits (36 site checks), Pro $149 = 17,000, Enterprise $499 = 62,500. Only 2xx responses are billed. Errors (400, 401, 404, 429, 5xx) are never billed. Rate limit: 50 requests per second, bursts up to 100.
Highlights
- Satellite-verified construction verdict in one call: change_detected, change_direction (built-up or revegetated), confidence, NDVI/NDBI deltas and per-scene evidence at 10 m resolution
- 36-month window on GET /v1/timeline in the same shape, with attribution and data_sources on every answer; upstream unavailability returns 503 and is never billed
- Agent-ready: REST with an OpenAPI 3 schema, an MCP tool on Amazon Bedrock AgentCore Gateway and an A2A agent card; pay only for successful calls on your AWS bill
Details
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Delivery method
Integration protocol
Supported services
Deployed on AWS
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Quick Launch
Leverage AWS CloudFormation templates to reduce the time and resources required to configure, deploy, and launch your software.
Pricing
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
Dimension | Description | Cost/unit |
|---|---|---|
API Call | One unit per site check; a 36-month timeline (GET /v1/timeline) uses 4 units | $1.80 |
Vendor refund policy
No refunds for API calls already made. Contact support@waltsoft.net within 7 days of billing issues.
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
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Delivery details
Supported services:
- Amazon Bedrock AgentCore
API-Based Agents & Tools
API-Based Agents and Tools integrate through standard web protocols. Your applications can make API calls to access agent capabilities and receive responses.
Additional details
Usage instructions
Available Tools
- sitepulseQuery — Sentinel-2 satellite change detection at a coordinate. Arguments: api_key, path, lat, lon
Prerequisites
An active AWS Marketplace subscription. Your API key (mp_...) is delivered to your AWS Secrets Manager after choosing Set up your account.
Authentication
No connection header. Pass api_key as an argument in every tool call.
MCP endpoint: <https://waltsoft-marketplace-gateway-xncyjgs1uh.gateway.bedrock-agentcore.us-east-1.amazonaws.com/mcp>
Claude Desktop
Then ask: "Use sitepulseQuery with path /v1/site, lat 30.2216, lon -97.6206 and api_key YOUR_API_KEY".
Strands Agents (Python)
Tool Arguments
| Argument | Type | Description |
|---|---|---|
| api_key | string | Your Marketplace API key (mp_...) |
| path | string | /v1/site (12-month) or /v1/timeline (36-month) |
| lat | number | Latitude, e.g. 30.2216 |
| lon | number | Longitude, e.g. -97.6206 |
Billing
Only successful calls are billed. One Marketplace unit is $1.80: path /v1/site uses 1 unit ($1.80), /v1/timeline uses 4 units ($7.20).
Rate Limits
50 req/s (burst 100). A wrong key returns statusCode 401.
Contains modified Copernicus Sentinel data 2026. Scene catalogue via Element 84 Earth Search.
Learn More: https://sitepulse.waltsoft.net
Support
Vendor support
Contact support@waltsoft.net . Documentation:
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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