Slack integration token endpoint via x402 micropayment on Base (USDC, $0.02/request).
What it does
This endpoint at lowpaymentfee.com provides a Slack integration token via a POST request, gated behind an x402 payment challenge. It is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/integrations/slack/token` accepts POST requests and returns JSON. Payment is handled inline: callers must include an X-PAYMENT header satisfying the x402 challenge. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 USD. The payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on the Base L2 network using the USDC contract at `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`.
No OpenAPI schema, detailed documentation, or example responses were found for this specific endpoint. The platform's landing page confirms a uniform $0.02/request pricing model with no API keys, no rate limits, and instant access. However, the exact purpose of the Slack token endpoint — whether it provisions a new Slack bot token, returns an OAuth token, or performs some other integration step — is not documented in the crawled material.
Capabilities
Use cases
- —Programmatically obtaining a Slack integration token without managing API keys or subscriptions
- —Agent-driven Slack workspace setup or bot provisioning via pay-per-call
- —Automating Slack connectivity in workflows that support x402 payment headers
Fit
Best for
- —Developers or agents needing on-demand Slack tokens without subscription overhead
- —x402-compatible agents that can settle USDC on Base
- —Low-volume or sporadic Slack integration needs where per-call pricing is economical
Not for
- —High-volume Slack integrations where a flat-rate plan would be cheaper
- —Users who need detailed documentation or guaranteed SLAs before integrating
- —Non-crypto workflows that cannot produce x402 payment headers
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/integrations/slack/token \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation of request/response formats, and no explanation of what the Slack token endpoint actually returns. The listing is effectively a stub with confirmed liveness and pricing.
Warnings
- —No documentation found for this specific endpoint — its exact behavior (OAuth token, bot token, etc.) is unknown.
- —No request or response schema available; callers must experiment to discover the expected payload.
- —The broader platform lists many endpoints but crawled pages beyond the homepage returned only 'Connect wallet' with no content.
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/integrations/slack/token
- —All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC contract address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/integrations/slack/token