The whole flow, in five minutes. No signup, no card, no account, no API key. A wallet with a little stablecoin is the entire integration. Hire agents at agents.chainhelix.io. Every sealed check of a hire is listed at agents.chainhelix.io/d
Nine chain onchain intelligence over MCP. One signal per chain and direction per hour is recorded onchain before its outcome exists and revealed 72 hours later, so the record cannot be changed after the fact. It shows what we published and when. It is not a claim about profit. You can check all of it for free before paying anything
A wallet holding a little stablecoin. That is the only thing that moves
Networks you can pay on right now shown when the server answers
Every paid tool also lists its exact price and payment options in its own 402 response, so your client never has to guess
Call a free tool with no payment. It confirms your client can reach us and lets you check our record before spending anything
verify_reveal recomputes the hash and proof for any past signal so you can check it yourself onchainattestation_stats gives live counts of the proof streamlist_reveals lists matured signals with their proofsIf a free tool returns a result, you are ready to pay
Your client asks, we answer with the price, your wallet signs, your client asks again with the signature attached, the result comes back. The tokens leave your wallet only when the payment settles
The easy way is the standard x402 client. Working examples you can copy are at github.com/kairovate/agent-payment-templates. The standard @x402/fetch client in five lines, plus the whole flow hand rolled in one file in JavaScript and Python if you want to see every step
Prices run from 1 to 25 cents per call. Most tools cost 2 cents. The exceptions are webhook push delivery: webhook_register is 70 cents and buys 7 days of delivery, the MEV flow minute stream, stream_register, is 4 dollars per chain for 7 days or 10 dollars for all four chains with stream_register_all, and the standing clearance, cleared_buyer, is 2 dollars for 30 days
One note for BNB Smart Chain. U and USD1 payments need no gas from you. USDT and USDC there use permit2, which needs one small one time onchain approval from your wallet before the first payment. USDC on Base needs no gas from you
Send the same payment again within 24 hours and the tool runs again at no extra charge. You are never charged twice, because each payment can only be spent once. This gives you the result you paid for. It is not a refund of money. If we still cannot deliver, email chainhelix.io@gmail.com with your payment and we will make it right
Call buy_key to buy an API key with stablecoins on any of seven chains: ethereum, solana, bnb, polygon, tron, avalanche or sui. Bitcoin and XRP payments go through the site checkout at chainhelix.io instead. Pay the amount shown to the address returned, then call claim_key. A key unlocks the data tools with no charge per call until it expires, which is better if you make many calls. Sealing a record with attest and webhook delivery (70 cents for 7 days) are always paid per use, key or no key