Get the price of BAL token via a pay-per-request x402 endpoint on Base network.
What it does
This endpoint returns the current price of the BAL (Balancer) token. It is part of a broader suite of APIs offered by lowpaymentfee.com, which covers data analytics, AI/ML inference, finance/Web3 data, and utility services — all gated behind the x402 payment protocol on the Base network.
The specific endpoint `/api/v1/tokens/BAL/price` accepts POST requests and returns JSON. Payment is settled in USDC on Base (contract 0x8335…2913) using the x402 "exact" scheme. The maximum amount required per request is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. No API keys or rate limits are advertised; access is instant once payment is attached.
Documentation beyond the landing page is extremely thin — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data source for BAL pricing and the response format are unknown.
Capabilities
Use cases
- —Fetching the current BAL (Balancer) token price programmatically
- —Integrating real-time token pricing into a trading bot or portfolio tracker
- —Agent-driven price lookups without API key management
Fit
Best for
- —Agents or bots that need on-demand BAL token pricing without signup
- —Developers wanting pay-per-call crypto price data settled on-chain
- —Workflows that already use x402 payment flows on Base
Not for
- —Bulk historical price data retrieval (no evidence of batch or historical endpoints)
- —Users who need comprehensive documentation or SLA guarantees
- —Free-tier or high-volume use cases where $0.02/request adds up quickly
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/tokens/BAL/price \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402_payment_header>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and all documentation pages beyond the landing page are empty. The actual data returned is entirely unknown.
Warnings
- —No OpenAPI or schema documentation available — response format is unknown
- —All doc/pricing/README pages render only 'Connect wallet' with no content
- —No information on the data source for BAL token pricing
- —No example responses available; actual output structure must be discovered empirically
Citations
- —Endpoint returns 402 with x402 challenge requiring 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/tokens/BAL/price
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/tokens/BAL/price
- —All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base networkhttps://lowpaymentfee.com