x402 Protocol
USDC on Base
22 Endpoints
Pay-per-call AI endpoints.
No API key. Just USDC.
22 AI agent endpoints. $0.05–$0.10/call. Powered by x402 on Base.
Explore EndpointsHow x402 Works
A simple 4-step HTTP payment flow — no accounts, no subscriptions.
01
Send Request
Client sends a GET or POST request to the endpoint with a query parameter. No API key required.
02
402 Response
Server responds with 402 Payment Required and a WWW-Authenticate header containing payment details.
03
Pay USDC
Client pays USDC to the recipient wallet on Base mainnet and includes the PAYMENT-SIGNATURE header in a retry.
04
Get Response
Endpoint unlocks and returns the AI-generated JSON response. Done — no session, no token, no expiry.
Payment Details
Base URL
https://gig-x402-api.jayson-be1.workers.dev
Protocol
x402 (Coinbase CDP on Base blockchain)
Currency
USDC on Base mainnet only
Price Range
$0.05–$0.10 per call
Recipient Wallet
0x2b6c16fb557291b98222a570526ff2430848b723
Auth
No API key — HTTP
WWW-Authenticate header with PAYMENT-SIGNATURE
Discovery Endpoint
https://gig-x402-api.jayson-be1.workers.dev/x402 (no auth required)
Endpoint Reference
Content Repurposing
$0.05 / call| Endpoint | Method | Price | Description |
|---|---|---|---|
/thread-from-article |
GET | $0.05 | Article URL → X/Twitter thread |
/repurpose-long-form |
GET | $0.05 | Blog post → multi-format content (social, email, slides) |
/generate-show-notes |
GET | $0.05 | Podcast show notes generation |
Pain Points & Intelligence
$0.05–$0.10 / call| Endpoint | Method | Price | Description |
|---|---|---|---|
/extract-pain-points |
POST | $0.05 | Extract from customer reviews/feedback |
/analyze-sentiment |
GET | $0.05 | Sentiment analysis for URL or raw text |
/research-competitor-pricing |
GET | $0.10 | Competitor pricing research |
/generate-positioning-statement |
GET | $0.10 | Product positioning + messaging |
/analyze-review-velocity |
GET | $0.05 | Review trends and velocity tracking |
Outreach & Nurture
$0.05–$0.10 / call| Endpoint | Method | Price | Description |
|---|---|---|---|
/generate-cold-outreach |
GET | $0.10 | Personalized cold email copy |
/generate-case-study-outline |
POST | $0.05 | Structured case study template |
/identify-event-mentions |
GET | $0.05 | Find event references in URLs |
/extract-testimonials |
POST | $0.05 | Pull testimonials from reviews |
/generate-nurture-sequence |
POST | $0.10 | Multi-email nurture campaign template |
AI Agent & Workflow
$0.05–$0.10 / call| Endpoint | Method | Price | Description |
|---|---|---|---|
/generate-agent-system-prompt |
POST | $0.10 | Custom AI agent system instructions |
/optimize-workflow-json |
POST | $0.05 | Improve automation workflow JSON |
/generate-error-recovery |
POST | $0.05 | Failure case handling templates |
/analyze-usage-patterns |
POST | $0.10 | User behavior pattern analysis |
/map-skill-gaps |
POST | $0.10 | Identify team skill gaps |
/generate-training-module |
POST | $0.10 | Custom training content generation |
/forecast-scaling-needs |
POST | $0.10 | Infrastructure scaling predictions |
cURL Examples
GET request (thread-from-article)
# Step 1: Initial request (returns 402 Payment Required)
curl -X GET "https://gig-x402-api.jayson-be1.workers.dev/thread-from-article?url=https://example.com/article"
# Step 2: Pay 0.05 USDC to 0x2b6c16fb557291b98222a570526ff2430848b723 on Base
# Step 3: Retry with PAYMENT-SIGNATURE header
curl -X GET "https://gig-x402-api.jayson-be1.workers.dev/thread-from-article?url=https://example.com/article" \n -H "PAYMENT-SIGNATURE: <your-signature>"
POST request (extract-pain-points)
# Step 1: Initial request with JSON body (returns 402 Payment Required)
curl -X POST "https://gig-x402-api.jayson-be1.workers.dev/extract-pain-points" \n -H "Content-Type: application/json" \n -d '{"text": "The checkout process is too slow and the UI is confusing."}'
# Step 2: Pay 0.05 USDC to 0x2b6c16fb557291b98222a570526ff2430848b723 on Base
# Step 3: Retry with PAYMENT-SIGNATURE header
curl -X POST "https://gig-x402-api.jayson-be1.workers.dev/extract-pain-points" \n -H "Content-Type: application/json" \n -H "PAYMENT-SIGNATURE: <your-signature>" \n -d '{"text": "The checkout process is too slow and the UI is confusing."}'
Prefer a no-code interface? Browse all 22 agents in Agent Depot →