```json
{
"tests": [
{
"name": "connectivity_and_auth",
"endpoint": "/v1/prices",
"method": "GET",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
},
"payload": {},
"expected_status": 200,
"expected_behavior": "Returns list of cryptocurrency prices",
"metrics": ["latency", "status_code"],
"validation": {"field": "data", "type": "array", "min_length": 1}
},
{
"name": "initiate_payment",
"endpoint": "/v1/payment",
"method": "POST",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
},
"payload": {
"amount": "0.01",
"currency": "BTC",
"recipient": "recipient_address"
},
"expected_status": 201,
"expected_behavior": "Initiates a payment transaction",
"metrics": ["latency", "status_code"],
"validation": {"field": "transaction_id", "type": "string"}
},
{
"name": "error_handling_invalid_currency",
"endpoint": "/v1/prices",
"method": "GET",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
},
"payload": {},
"expected_status": 400,
"expected_behavior": "Error returned for invalid currency",
"metrics": ["status_code"],
"validation": {"field": "error", "type": "string"}
},
{
"name": "error_handling_missing_params",
"endpoint": "/v1/payment",
"method": "POST",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
},
"payload": {},
"expected_status": 400,
"expected_behavior": "Error returned for missing parameters",
"metrics": ["status_code"],
"validation": {"field": "error", "type": "string"}
},
{
"name": "rate_limit_header_check",
"endpoint": "/v1/prices",
"method": "GET",
"headers": {
"Authorization": "Bearer YOUR_API_KEY"
},
"payload": {},
"expected_status": 200,
"expected_behavior": "Check if rate limit headers are present",
"metrics": ["status_code", "latency"],
"validation": {"field": "X-RateLimit-Remaining", "type": "integer", "min_value": 1}
}
],
"pricing_probes": [
{
"name": "verify_pricing_tiers",
"description": "Check if pricing tiers are reflected correctly in the response",
"endpoint": "/v1/prices",
"method": "GET",
"payload": {},
"check": "response contains correct price structure for current tier"
}
],
"stress_profile": {
"concurrent_requests": 5,
"duration_seconds": 10,
"ramp_up": true
}
}
```