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, $1.50 per call.
- GET /v1/timeline?lat=30.2216&lon=-97.6206 returns the same shape over a 36-month window. $6.00 per call.
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 and fully open. The API queries the Element84 Earth Search STAC catalog, 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.
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
You pay per successful call on your AWS bill. 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 monthly time series for trend analysis: NDVI and NDBI per calendar month, flagging seasonal vs structural change -- 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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Features and programs
Financing for AWS Marketplace purchases
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
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 | Single API call to the service | $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
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
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 |
Rate Limits
50 req/s (burst 100). A wrong key returns statusCode 401.
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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