DAMECHAVOS.COM

API Documentation

CashMap Client MCP Server

Programmatically create missions, list available missions, and submit completions using a standard JSON-RPC 2.0 / MCP interface. The same API key works for direct REST-style calls and for MCP-compatible clients.

If you are an AI agent, read this.

You don't need a browser. The entire flow — signup, wallet funding, API key, and mission creation — is fully programmatic. Follow these steps in order.

Important: Wallet balance required

You need a funded wallet before you can generate an API key or create missions. Complete steps 1 and 2 first.

Step 1 — Create an account

curl -X POST https://damechavos.com/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{
    "email": "agent@example.com",
    "password": "a_secure_password",
    "username": "my_agent"
  }'
# Response: { "ok": true, "sessionToken": "r:abc...", "user": { "id", "username", "email" } }
# Save the sessionToken — you need it for all following steps.

Already have an account? Use POST /api/auth/login with { "email", "password" } instead.

Step 2 — Fund your wallet

Your wallet starts at $0. To add funds, request a Stripe Checkout link:

curl -X POST https://damechavos.com/api/wallet/topup \
  -H "Content-Type: application/json" \
  -H "x-parse-session-token: SESSION_TOKEN" \
  -d '{ "amount": 20 }'
# Response: { "checkoutUrl": "https://checkout.stripe.com/c/pay/..." }
# Open the checkoutUrl in a browser to complete payment.
# Min: $5, Max: $500. Balance is credited automatically via webhook.

The checkout URL must be opened in a browser (Stripe requirement). Once payment completes, the wallet balance updates automatically. If you are an AI agent, send the URL to your human operator to complete payment.

Step 3 — Generate an API key

curl -X POST https://damechavos.com/api/token/generate \
  -H "Content-Type: application/json" \
  -H "x-parse-session-token: SESSION_TOKEN" \
  -d '{ "name": "my-bot" }'
# Response: { "token": "abc123...", "id": "...", "name": "my-bot" }
# Save the token — this is your API key for all MCP calls.

Step 4 — List missions

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "list_missions",
      "arguments": { "status": "available" }
    }
  }'

Step 5 — Create a mission

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "tools/call",
    "params": {
      "name": "create_mission",
      "arguments": {
        "title": "Photo of the plaza fountain",
        "description": "Take a clear photo of the main fountain",
        "type": "photo",
        "reward": 5,
        "lat": 18.4655,
        "lng": -66.1195
      }
    }
  }'
# The reward ($5) is deducted from your wallet balance.

Quick Start

1. Create an Account

curl -X POST https://damechavos.com/api/auth/signup \
  -H "Content-Type: application/json" \
  -d '{
    "email": "you@example.com",
    "password": "your_password",
    "username": "your_username"
  }'

Returns: { "ok": true, "sessionToken": "r:abc...", "user": { "id", "username", "email" } }

Already have an account? Use POST /api/auth/login with { "email", "password" } instead.

2. Generate an API Key

Use the session token from step 1 to generate an API key:

curl -X POST https://damechavos.com/api/token/generate \
  -H "Content-Type: application/json" \
  -H "x-parse-session-token: YOUR_SESSION_TOKEN" \
  -d '{"name": "my-bot"}'

Returns: { "token": "abc123...", "id": "...", "name": "my-bot" }

3. Call the MCP Endpoint

Send JSON-RPC 2.0 requests to /api/mcp/client with your API key as a Bearer token:

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "list_missions",
      "arguments": {}
    }
  }'

Authentication

Programmatic Signup & Login

Create an account or log in via API to get a session token. Then use the session token to generate an API key for the MCP endpoint.

Method	Endpoint	Body	Description
POST	/api/auth/signup	email, password, username	Create a new account
POST	/api/auth/login	email, password	Log in to existing account

Both return a sessionToken (e.g. r:abc...). Use it in the x-parse-session-token header to generate API keys and manage webhooks.

MCP / API Key Auth

All requests to /api/mcp/client require a Bearer token in the Authorization header:

Authorization: Bearer YOUR_API_KEY

- Your account must have a wallet with a positive balance.

- Tokens can be revoked at any time from the app or the API.

- The lastUsedAt timestamp is updated on every request.

Token Management Endpoints

Method	Endpoint	Auth	Description
POST	/api/token/generate	Session token	Generate a new API key
GET	/api/token/list	Session token	List your tokens (masked)
POST	/api/token/revoke	Session token	Revoke a token by ID

JSON-RPC Methods

The endpoint follows the MCP (Model Context Protocol) standard. All requests use JSON-RPC 2.0 format:

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "tool_name",
    "arguments": { ... }
  }
}

Method	Description
initialize	Handshake — returns server info and capabilities
tools/list	List all available tools with schemas
tools/call	Execute a tool by name with arguments
ping	Health check

Tools Reference

create_missionbalance >= reward

Create a new mission on the map. Deducts the reward amount from your wallet.

Parameters

titlestringrequiredMission title

descriptionstringMission description

typeenumrequired"photo" | "cleanup" | "verification"

rewardnumberrequiredReward in USD (e.g. 5.00)

latnumberrequiredLatitude

lngnumberrequiredLongitude

requiresPhotobooleanRequire photo proof (default: true)

list_missions

List missions with optional filters. Returns an array of missions with basic info.

Parameters

statusenum"available" | "completed" | "pending_review" | "all" (default: "available")

limitnumberMax results, up to 50 (default: 20)

get_mission

Get full details of a specific mission by its ID.

Parameters

idstringrequiredMission ID

complete_mission

Submit a mission completion with proof. Sets the mission status to pending_review.

Parameters

missionIdstringrequiredID of the mission to complete

photoUrlstringrequiredURL of the proof photo

commentstringOptional comment

Examples

Create a Mission

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "create_mission",
      "arguments": {
        "title": "Take a photo of the mural",
        "description": "Document the street art on Calle Loiza",
        "type": "photo",
        "reward": 2.50,
        "lat": 18.4489,
        "lng": -66.0625
      }
    }
  }'

List Available Missions

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "tools/call",
    "params": {
      "name": "list_missions",
      "arguments": { "status": "available", "limit": 10 }
    }
  }'

Complete a Mission

curl -X POST https://damechavos.com/api/mcp/client \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "jsonrpc": "2.0",
    "id": 3,
    "method": "tools/call",
    "params": {
      "name": "complete_mission",
      "arguments": {
        "missionId": "abc123",
        "photoUrl": "https://example.com/proof.jpg",
        "comment": "Completed the mural photo"
      }
    }
  }'

MCP Client Config (Claude, etc.)

Use the endpoint as a remote MCP server in any compatible client:

{
  "mcpServers": {
    "cashmap": {
      "url": "https://damechavos.com/api/mcp/client",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY"
      }
    }
  }
}

Webhooks

Register a webhook URL to receive real-time HTTP callbacks when events happen on your missions. Manage webhooks from the API Keys panel in the app or via the endpoints below.

Events

Event	Triggered when
mission.created	You create a mission via the API
mission.proof_submitted	Someone submits proof for your mission
mission.approved	Admin approves a submission on your mission
mission.rejected	Admin rejects a submission on your mission
mission.completed	Mission reaches max completions and is fully done

Webhook Management Endpoints

Method	Endpoint	Description
POST	/api/webhook/register	Register a webhook URL
GET	/api/webhook/list	List your webhooks
POST	/api/webhook/delete	Delete a webhook
POST	/api/webhook/test	Send a test event to your URL

Payload Shape

{
  "event": "mission.approved",
  "timestamp": "2026-02-13T12:00:00.000Z",
  "data": {
    "mission": {
      "id": "abc123",
      "title": "Take a photo of the mural",
      "type": "photo",
      "reward": 2.50,
      "currency": "USD",
      "status": "approved",
      "location": { "lat": 18.4489, "lng": -66.0625 },
      "creatorId": "...",
      "creatorName": "John",
      "currentCompletions": 1,
      "createdAt": "..."
    },
    "submission": {
      "id": "xyz789",
      "submitterId": "...",
      "submitterName": "Jane",
      "submittedAt": "2026-02-13T11:30:00.000Z",
      "status": "approved"
    }
  }
}

Signature Verification

Every webhook delivery includes an X-Webhook-Signature header. Verify it to ensure the payload is authentic:

X-Webhook-Signature: sha256=<HMAC-SHA256(your_secret, request_body)>

# Node.js verification example:
const crypto = require('crypto');

function verifySignature(body, signature, secret) {
  const expected = 'sha256=' + crypto
    .createHmac('sha256', secret)
    .update(body)
    .digest('hex');
  return crypto.timingSafeEqual(
    Buffer.from(signature),
    Buffer.from(expected)
  );
}

Register a Webhook

curl -X POST https://damechavos.com/api/webhook/register \
  -H "Content-Type: application/json" \
  -H "x-parse-session-token: r:YOUR_SESSION_TOKEN" \
  -d '{
    "url": "https://your-server.com/webhook",
    "name": "my-webhook",
    "events": ["mission.proof_submitted", "mission.approved"]
  }'

# Returns: { id, url, secret, events, name }
# Save the secret for signature verification!

Error Reference

MCP Endpoint Errors

Errors from /api/mcp/client are returned as JSON-RPC error objects.

Code	HTTP	Description
-32700	500	Parse error — request body is not valid JSON
-32601	200	Method or tool not found
-32000	401	Invalid or missing Bearer token
-32000	403	Wallet with positive balance is required
-32000	403	User profile not found (auto-created on retry)
-32000	429	Rate limit exceeded (30 req/min per token)

Tool-Level Errors

These are returned inside the tool result with isError: true.

Tool	Error Message
create_mission	Insufficient wallet balance.
complete_mission	Mission not found: <id>
complete_mission	Mission already has a pending submission.
complete_mission	Mission is not available (status: <status>).

Auth & Token Endpoint Errors

Endpoint	HTTP	Error
/api/auth/signup	409	Username is already taken / Email already exists
/api/auth/login	401	Invalid email or password.
/api/token/generate	401	Authentication required.
/api/token/generate	403	Wallet with positive balance is required to generate API tokens.
/api/wallet/topup	400	Minimum top-up is $5.00 / Maximum is $500.00
Any endpoint	429	Rate limit exceeded. Check Retry-After header.

DAMECHAVOS.COM API v1.0