Making Paid x402 Requests

Use the npx awal@latest x402 pay command to call paid API endpoints with automatic USDC payment on Base.

Confirm wallet is initialized and authed

npx awal@latest status

If the wallet is not authenticated, refer to the authenticate-wallet skill.

Command Syntax

npx awal@latest x402 pay <url> [-X <method>] [-d <json>] [-q <params>] [-h <json>] [--max-amount <n>] [--json]

Options

Option	Description
`-X, --method <method>`	HTTP method (default: GET)
`-d, --data <json>`	Request body as JSON string
`-q, --query <params>`	Query parameters as JSON string
`-h, --headers <json>`	Custom HTTP headers as JSON string
`--max-amount <amount>`	Max payment in USDC atomic units (1000000 = $1.00)
`--correlation-id <id>`	Group related operations
`--json`	Output as JSON

USDC Amounts

X402 uses USDC atomic units (6 decimals):

Atomic Units	USD
1000000	$1.00
100000	$0.10
50000	$0.05
10000	$0.01

IMPORTANT: Always single-quote amounts that use $ to prevent bash variable expansion (e.g. '$1.00' not $1.00).

Examples

# Make a GET request (auto-pays)
npx awal@latest x402 pay https://example.com/api/weather

# Make a POST request with body
npx awal@latest x402 pay https://example.com/api/sentiment -X POST -d '{"text": "I love this product"}'

# Limit max payment to $0.10
npx awal@latest x402 pay https://example.com/api/data --max-amount 100000

Prerequisites

Must be authenticated (npx awal@latest status to check, see authenticate-wallet skill)
Wallet must have sufficient USDC balance (npx awal@latest balance to check)
If you don't know the endpoint URL, use the search-for-service skill to find services first

Error Handling

"Not authenticated" - Run awal auth login <email> first, or see authenticate-wallet skill
"No X402 payment requirements found" - URL may not be an x402 endpoint; use search-for-service to find valid endpoints
"Insufficient balance" - Fund wallet with USDC; see fund skill

Making Paid x402 Requests

Use the npx awal@latest x402 pay command to call paid API endpoints with automatic USDC payment on Base.

Confirm wallet is initialized and authed

npx awal@latest status

If the wallet is not authenticated, refer to the authenticate-wallet skill.

Command Syntax

npx awal@latest x402 pay <url> [-X <method>] [-d <json>] [-q <params>] [-h <json>] [--max-amount <n>] [--json]

Options

Option	Description
`-X, --method <method>`	HTTP method (default: GET)
`-d, --data <json>`	Request body as JSON string
`-q, --query <params>`	Query parameters as JSON string
`-h, --headers <json>`	Custom HTTP headers as JSON string
`--max-amount <amount>`	Max payment in USDC atomic units (1000000 = $1.00)
`--correlation-id <id>`	Group related operations
`--json`	Output as JSON

USDC Amounts

X402 uses USDC atomic units (6 decimals):

Atomic Units	USD
1000000	$1.00
100000	$0.10
50000	$0.05
10000	$0.01

IMPORTANT: Always single-quote amounts that use $ to prevent bash variable expansion (e.g. '$1.00' not $1.00).

Examples

# Make a GET request (auto-pays)
npx awal@latest x402 pay https://example.com/api/weather

# Make a POST request with body
npx awal@latest x402 pay https://example.com/api/sentiment -X POST -d '{"text": "I love this product"}'

# Limit max payment to $0.10
npx awal@latest x402 pay https://example.com/api/data --max-amount 100000

Prerequisites

Must be authenticated (npx awal@latest status to check, see authenticate-wallet skill)
Wallet must have sufficient USDC balance (npx awal@latest balance to check)
If you don't know the endpoint URL, use the search-for-service skill to find services first

Error Handling

"Not authenticated" - Run awal auth login <email> first, or see authenticate-wallet skill
"No X402 payment requirements found" - URL may not be an x402 endpoint; use search-for-service to find valid endpoints
"Insufficient balance" - Fund wallet with USDC; see fund skill

pay-for-service

Making Paid x402 Requests

Confirm wallet is initialized and authed

Command Syntax

Options

USDC Amounts

Examples

Prerequisites

Error Handling

Related Skills

tweet-cli

Clawlett

frame-builder

Making Paid x402 Requests

Confirm wallet is initialized and authed

Command Syntax

Options

USDC Amounts

Examples

Prerequisites

Error Handling