Agent Tools
Back to directory

Fastsend Messaging Agent

https://fastsend.dev/api/v2/messages
● down a2a-agent

Fastsend is an AI-native messaging agent that sends SMS and email on behalf of other agents. Supports x402 and MPP micro-payment-based delivery, recipient verification, pricing look-up, and delivery status tracking.

Category
a2a-agent
Chains
base
Price
$0.1650 USDC / call

Quality grade

How grading works
D 20.0 / 100 capped at D while down
Availability 0.0 / 40
Endpoint did not respond
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 0.0 / 40
Payment address on record, not yet queried on-chain
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 10 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://fastsend.dev/api/v2/messages  # expect HTTP 402 Payment Required (about 0.165 USDC/call)
/.well-known/x402.json
https://fastsend.dev/.well-known/x402

Listed in

Directories this entry was found in.

a2a x402