{"uid":"cap_772WMyoXWmiZLhiwI6f6Z","slug":"blockrun-phone-number-release-99a117af","name":"BlockRun Phone Number Release","description":"Pay for the outcome. One endpoint for every model, tool and data source an agent needs — each call priced before it runs, at the best value per dollar. 103 models and 100 data and tool APIs.","url":"https://blockrun.ai/api/v1/phone/numbers/release","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"phoneNumber":{"type":"string","description":"Your provisioned number in E.164 format."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"unprobed","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"unknown","summary":"price unknown","primary":{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_UKvzTKy-t3YqPnvaLYhG0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Releases a provisioned phone number, returning it to the pool and ending any associated services.","exampleAgentPrompt":"I no longer need the phone number +14155550123 that I provisioned — please release it back to the pool so I'm not charged for it anymore.","exampleUseCases":null,"resultDescription":"A confirmation that the specified phone number has been released and deprovisioned, removing it from the caller's account and returning it to the available number pool.","failureModes":["Phone number not found or not owned by caller — returns 404 or permission error","Invalid E.164 format — returns 400 validation error","Number already released — idempotency conflict or 409 error","Payment failure if release incurs a fee — 402 payment required","Authentication or authorization failure — 401/403 error"],"whenToPreferThis":"Use this endpoint when you have a previously provisioned phone number (in E.164 format) that you want to release back to the pool, ending billing and associated services. Prefer this over alternatives when working within the BlockRun pay-per-call USDC ecosystem on Base or Solana.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:48:20.789Z","isFirstParty":false}